[INFO] fetching crate pacman 0.1.3...
[INFO] testing pacman-0.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pacman 0.1.3 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate pacman 0.1.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pacman 0.1.3
[INFO] finished tweaking crates.io crate pacman 0.1.3
[INFO] tweaked toml for crates.io crate pacman 0.1.3 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b227c63dbd33e88005a8fc701fc2104c4863f5637080afa6f37669e404b5568d
[INFO] running `Command { std: "docker" "start" "-a" "b227c63dbd33e88005a8fc701fc2104c4863f5637080afa6f37669e404b5568d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b227c63dbd33e88005a8fc701fc2104c4863f5637080afa6f37669e404b5568d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b227c63dbd33e88005a8fc701fc2104c4863f5637080afa6f37669e404b5568d", kill_on_drop: false }`
[INFO] [stdout] b227c63dbd33e88005a8fc701fc2104c4863f5637080afa6f37669e404b5568d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9efc0db0ac73993017ce1e3f83607274b4c541cd3f50ff4b42ffc8f2dc9fdf6
[INFO] running `Command { std: "docker" "start" "-a" "a9efc0db0ac73993017ce1e3f83607274b4c541cd3f50ff4b42ffc8f2dc9fdf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pacman v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OpenOptions`
[INFO] [stdout]   --> src/ini.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]   --> src/ini.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::num::ParseIntError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stdout]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:92:44
[INFO] [stdout]    |
[INFO] [stdout] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stdout]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |             '\u{0080}'...'\u{FFFF}' => self.escape_unicode(),
[INFO] [stdout]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:55
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |             '\u{0080}'...'\u{FFFF}' => escaped.push_str(&format!("\\x{:04x}", c as isize)[..]),
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ini.rs:635:32
[INFO] [stdout]     |
[INFO] [stdout] 635 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 635 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 635 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ini.rs:663:32
[INFO] [stdout]     |
[INFO] [stdout] 663 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 663 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 663 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ini.rs:658:39
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ini.rs:659:42
[INFO] [stdout]     |
[INFO] [stdout] 659 |             Error::Parse(ref err) => err.description(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/ini.rs:665:39
[INFO] [stdout]     |
[INFO] [stdout] 665 |             Error::Io(ref err) => err.cause(),
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/ini.rs:666:42
[INFO] [stdout]     |
[INFO] [stdout] 666 |             Error::Parse(ref err) => err.cause(),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/ini.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::io::{self, Read, Write};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let mut section : String;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `escape_str`
[INFO] [stdout]    --> src/ini.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn escape_str(s: &str, policy: EscapePolicy) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "a9efc0db0ac73993017ce1e3f83607274b4c541cd3f50ff4b42ffc8f2dc9fdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9efc0db0ac73993017ce1e3f83607274b4c541cd3f50ff4b42ffc8f2dc9fdf6", kill_on_drop: false }`
[INFO] [stdout] a9efc0db0ac73993017ce1e3f83607274b4c541cd3f50ff4b42ffc8f2dc9fdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c8194794d5b388426c5839d5a81b4cb6bb1eaba2a66055a3af2c61faa9838cd
[INFO] running `Command { std: "docker" "start" "-a" "5c8194794d5b388426c5839d5a81b4cb6bb1eaba2a66055a3af2c61faa9838cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pacman v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OpenOptions`
[INFO] [stdout]   --> src/ini.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]   --> src/ini.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::num::ParseIntError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stdout]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:92:44
[INFO] [stdout]    |
[INFO] [stdout] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stdout]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |             '\u{0080}'...'\u{FFFF}' => self.escape_unicode(),
[INFO] [stdout]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:55
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |             '\u{0080}'...'\u{FFFF}' => escaped.push_str(&format!("\\x{:04x}", c as isize)[..]),
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ini.rs:635:32
[INFO] [stdout]     |
[INFO] [stdout] 635 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 635 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 635 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ini.rs:663:32
[INFO] [stdout]     |
[INFO] [stdout] 663 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 663 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 663 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ini.rs:658:39
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ini.rs:659:42
[INFO] [stdout]     |
[INFO] [stdout] 659 |             Error::Parse(ref err) => err.description(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/ini.rs:665:39
[INFO] [stdout]     |
[INFO] [stdout] 665 |             Error::Io(ref err) => err.cause(),
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/ini.rs:666:42
[INFO] [stdout]     |
[INFO] [stdout] 666 |             Error::Parse(ref err) => err.cause(),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/ini.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::io::{self, Read, Write};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let mut section : String;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `escape_str`
[INFO] [stdout]    --> src/ini.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn escape_str(s: &str, policy: EscapePolicy) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpenOptions`
[INFO] [stdout]   --> src/ini.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]   --> src/ini.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::num::ParseIntError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stdout]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:92:44
[INFO] [stdout]    |
[INFO] [stdout] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stdout]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ini.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |             '\u{0080}'...'\u{FFFF}' => self.escape_unicode(),
[INFO] [stdout]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:129:55
[INFO] [stdout]     |
[INFO] [stdout] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stdout]     |                                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ini.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |             '\u{0080}'...'\u{FFFF}' => escaped.push_str(&format!("\\x{:04x}", c as isize)[..]),
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ini.rs:635:32
[INFO] [stdout]     |
[INFO] [stdout] 635 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 635 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 635 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ini.rs:663:32
[INFO] [stdout]     |
[INFO] [stdout] 663 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 663 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 663 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ini.rs:658:39
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ini.rs:659:42
[INFO] [stdout]     |
[INFO] [stdout] 659 |             Error::Parse(ref err) => err.description(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/ini.rs:665:39
[INFO] [stdout]     |
[INFO] [stdout] 665 |             Error::Io(ref err) => err.cause(),
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/ini.rs:666:42
[INFO] [stdout]     |
[INFO] [stdout] 666 |             Error::Parse(ref err) => err.cause(),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/ini.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::io::{self, Read, Write};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let mut section : String;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `escape_str`
[INFO] [stdout]    --> src/ini.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn escape_str(s: &str, policy: EscapePolicy) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "5c8194794d5b388426c5839d5a81b4cb6bb1eaba2a66055a3af2c61faa9838cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8194794d5b388426c5839d5a81b4cb6bb1eaba2a66055a3af2c61faa9838cd", kill_on_drop: false }`
[INFO] [stdout] 5c8194794d5b388426c5839d5a81b4cb6bb1eaba2a66055a3af2c61faa9838cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3926b028b491a6737389d151cd52b03c6c7d68484b18883058a1fd3618067119
[INFO] running `Command { std: "docker" "start" "-a" "3926b028b491a6737389d151cd52b03c6c7d68484b18883058a1fd3618067119", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `OpenOptions`
[INFO] [stderr]   --> src/ini.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::fs::{File, OpenOptions};
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::ParseIntError`
[INFO] [stderr]   --> src/ini.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | use std::num::ParseIntError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/ini.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/ini.rs:92:44
[INFO] [stderr]    |
[INFO] [stderr] 92 |             '\\' | '\x00'...'\x1f' | '\x7f'...'\u{00ff}' => self.escape_basics(),
[INFO] [stderr]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/ini.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |             '\u{0080}'...'\u{FFFF}' => self.escape_unicode(),
[INFO] [stderr]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ini.rs:129:19
[INFO] [stderr]     |
[INFO] [stderr] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ini.rs:129:37
[INFO] [stderr]     |
[INFO] [stderr] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ini.rs:129:55
[INFO] [stderr]     |
[INFO] [stderr] 129 |             '\x01'...'\x06' | '\x0e'...'\x1f' | '\x7f'...'\u{00ff}' => {
[INFO] [stderr]     |                                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ini.rs:139:23
[INFO] [stderr]     |
[INFO] [stderr] 139 |             '\u{0080}'...'\u{FFFF}' => escaped.push_str(&format!("\\x{:04x}", c as isize)[..]),
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ini.rs:635:32
[INFO] [stderr]     |
[INFO] [stderr] 635 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 635 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 635 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ini.rs:663:32
[INFO] [stderr]     |
[INFO] [stderr] 663 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 663 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 663 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/ini.rs:658:39
[INFO] [stderr]     |
[INFO] [stderr] 658 |             Error::Io(ref err) => err.description(),
[INFO] [stderr]     |                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/ini.rs:659:42
[INFO] [stderr]     |
[INFO] [stderr] 659 |             Error::Parse(ref err) => err.description(),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/ini.rs:665:39
[INFO] [stderr]     |
[INFO] [stderr] 665 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/ini.rs:666:42
[INFO] [stderr]     |
[INFO] [stderr] 666 |             Error::Parse(ref err) => err.cause(),
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/ini.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 | use std::io::{self, Read, Write};
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/config.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let mut section : String;
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `escape_str`
[INFO] [stderr]    --> src/ini.rs:116:4
[INFO] [stderr]     |
[INFO] [stderr] 116 | fn escape_str(s: &str, policy: EscapePolicy) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pacman` (lib) generated 18 warnings
[INFO] [stderr] warning: `pacman` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pacman-b6412d823028ac40)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/config.rs (/opt/rustwide/target/debug/deps/config-3c9ac50109f6b046)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pacman_cfg_parse ... ok
[INFO] [stderr] error: test failed, to rerun pass '--test config'
[INFO] [stdout] test pacman_conf ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pacman_conf stdout ----
[INFO] [stdout] thread 'pacman_conf' panicked at 'failed to launch pacman-conf: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/pacman_conf.rs:7:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5597278e905d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x5597278e905d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5597278e905d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x5597278e905d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x55972790f26c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x5597278e4958 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x5597278eb337 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x5597278eb337 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x5597278eb337 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x5597278eb06c - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x5597278eba89 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x5597278eb777 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x5597278e9524 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x5597278eb489 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x55972786f133 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x55972786f223 - core::result::unwrap_failed::h719f957ed74f93fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5
[INFO] [stdout]   16:     0x5597278bd64c - core::result::Result<T,E>::expect::h00b26629e57c26cd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1022:23
[INFO] [stdout]   17:     0x5597278c0ba9 - pacman::pacman_conf::get_config::h3b9fbf6b77e195aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pacman_conf.rs:5:19
[INFO] [stdout]   18:     0x55972786fa12 - config::pacman_conf::h5ae4b8d02ff8a998
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/config.rs:5:15
[INFO] [stdout]   19:     0x55972786f9ea - config::pacman_conf::{{closure}}::h55a9d2efc8ec073b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/config.rs:4:1
[INFO] [stdout]   20:     0x55972787026e - core::ops::function::FnOnce::call_once::h67234ac35d8360e8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55972789c273 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55972789c273 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   23:     0x55972789af54 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   24:     0x55972789af54 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   25:     0x55972789af54 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   26:     0x55972789af54 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   27:     0x55972789af54 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   28:     0x55972789af54 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   29:     0x55972789af54 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x5597278a4871 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x5597278a4871 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   32:     0x559727870eef - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   33:     0x559727870eef - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   34:     0x559727870eef - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   35:     0x559727870eef - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   36:     0x559727870eef - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   37:     0x559727870eef - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   38:     0x559727870eef - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x5597278f1773 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   40:     0x5597278f1773 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   41:     0x5597278f1773 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   42:     0x7fd1f6d91609 - start_thread
[INFO] [stdout]   43:     0x7fd1f6b61163 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     pacman_conf
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3926b028b491a6737389d151cd52b03c6c7d68484b18883058a1fd3618067119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3926b028b491a6737389d151cd52b03c6c7d68484b18883058a1fd3618067119", kill_on_drop: false }`
[INFO] [stdout] 3926b028b491a6737389d151cd52b03c6c7d68484b18883058a1fd3618067119