[INFO] cloning repository https://github.com/ozyx/rsls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ozyx/rsls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4baedda5073b21de5880516402211e445ece86f
[INFO] testing ozyx/rsls against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ozyx/rsls on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ozyx/rsls
[INFO] finished tweaking git repo https://github.com/ozyx/rsls
[INFO] tweaked toml for git repo https://github.com/ozyx/rsls written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ozyx/rsls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044e0e1db5e8c7067b3e3aec334ce7b70d2d839c29d1efbf2aac44d4d8fe11b2
[INFO] running `Command { std: "docker" "start" "-a" "044e0e1db5e8c7067b3e3aec334ce7b70d2d839c29d1efbf2aac44d4d8fe11b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044e0e1db5e8c7067b3e3aec334ce7b70d2d839c29d1efbf2aac44d4d8fe11b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044e0e1db5e8c7067b3e3aec334ce7b70d2d839c29d1efbf2aac44d4d8fe11b2", kill_on_drop: false }`
[INFO] [stdout] 044e0e1db5e8c7067b3e3aec334ce7b70d2d839c29d1efbf2aac44d4d8fe11b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c9220498eacc67e2cdf80f0298346596a9e6eac2764352e41f529a1f8e4e27
[INFO] running `Command { std: "docker" "start" "-a" "05c9220498eacc67e2cdf80f0298346596a9e6eac2764352e41f529a1f8e4e27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rsls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`
[INFO] [stdout]  --> src/bin/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{App, Arg};
[INFO] [stdout]   |            ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "05c9220498eacc67e2cdf80f0298346596a9e6eac2764352e41f529a1f8e4e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c9220498eacc67e2cdf80f0298346596a9e6eac2764352e41f529a1f8e4e27", kill_on_drop: false }`
[INFO] [stdout] 05c9220498eacc67e2cdf80f0298346596a9e6eac2764352e41f529a1f8e4e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ee0fda458cf4fc7b759f384fb628cfdd3ef9e538e3dc4038dbbba8f896b22c0
[INFO] running `Command { std: "docker" "start" "-a" "9ee0fda458cf4fc7b759f384fb628cfdd3ef9e538e3dc4038dbbba8f896b22c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`
[INFO] [stdout]  --> src/bin/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{App, Arg};
[INFO] [stdout]   |            ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "9ee0fda458cf4fc7b759f384fb628cfdd3ef9e538e3dc4038dbbba8f896b22c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee0fda458cf4fc7b759f384fb628cfdd3ef9e538e3dc4038dbbba8f896b22c0", kill_on_drop: false }`
[INFO] [stdout] 9ee0fda458cf4fc7b759f384fb628cfdd3ef9e538e3dc4038dbbba8f896b22c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 518acb1abffc0b65a26e6c28323d5524e2e86f1535d0a3d9a62007c75d42d5e9
[INFO] running `Command { std: "docker" "start" "-a" "518acb1abffc0b65a26e6c28323d5524e2e86f1535d0a3d9a62007c75d42d5e9", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/fs/file.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct File {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_directory`
[INFO] [stderr]   --> src/fs/file.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_file`
[INFO] [stderr]   --> src/fs/file.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_hidden`
[INFO] [stderr]   --> src/fs/file.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Options`
[INFO] [stderr]  --> src/options/options.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Options {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_args`
[INFO] [stderr]   --> src/options/options.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rsls` (lib) generated 6 warnings
[INFO] [stderr] warning: `rsls` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/bin/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{App, Arg};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rsls` (bin "rsls" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsls-7eff6f1e9c2d5e00)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsls-86da398fa21e6857)
[INFO] [stderr]    Doc-tests rsls
[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] [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] [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] running `Command { std: "docker" "inspect" "518acb1abffc0b65a26e6c28323d5524e2e86f1535d0a3d9a62007c75d42d5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518acb1abffc0b65a26e6c28323d5524e2e86f1535d0a3d9a62007c75d42d5e9", kill_on_drop: false }`
[INFO] [stdout] 518acb1abffc0b65a26e6c28323d5524e2e86f1535d0a3d9a62007c75d42d5e9