[INFO] fetching crate kaos 0.1.1-alpha.2...
[INFO] testing kaos-0.1.1-alpha.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate kaos 0.1.1-alpha.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kaos 0.1.1-alpha.2
[INFO] finished tweaking crates.io crate kaos 0.1.1-alpha.2
[INFO] tweaked toml for crates.io crate kaos 0.1.1-alpha.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kaos 0.1.1-alpha.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding fail v0.3.0 (available: v0.5.1)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.8.0)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f802880fc2312b51113592db7cb91e6d983f828a6aef8c8ef341d5d350c23ea6
[INFO] running `Command { std: "docker" "start" "-a" "f802880fc2312b51113592db7cb91e6d983f828a6aef8c8ef341d5d350c23ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f802880fc2312b51113592db7cb91e6d983f828a6aef8c8ef341d5d350c23ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f802880fc2312b51113592db7cb91e6d983f828a6aef8c8ef341d5d350c23ea6", kill_on_drop: false }`
[INFO] [stdout] f802880fc2312b51113592db7cb91e6d983f828a6aef8c8ef341d5d350c23ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70b99f435c8d7b2a2d417e8f875deae68af15440fba2beadcb3615c51e185850
[INFO] running `Command { std: "docker" "start" "-a" "70b99f435c8d7b2a2d417e8f875deae68af15440fba2beadcb3615c51e185850", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling fail v0.3.0
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling kaos v0.1.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/run.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail` and `Warn`
[INFO] [stdout]   --> src/run.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stdout]    |                            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]    --> src/lib.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub use macros::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute` is never used
[INFO] [stdout]   --> src/diff.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     impl Diff {
[INFO] [stdout]    |     --------- associated function in this implementation
[INFO] [stdout] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mismatch`, `ReadStderr`, `ShouldNotHaveCompiled`, and `WriteStderr` are never constructed
[INFO] [stdout]   --> src/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Mismatch,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     ReadStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ShouldNotHaveCompiled,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     WriteStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]   --> src/message.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Level {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_not_have_compiled` is never used
[INFO] [stdout]   --> src/message.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_stderr_wip` is never used
[INFO] [stdout]   --> src/message.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `overwrite_stderr` is never used
[INFO] [stdout]    --> src/message.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mismatch` is never used
[INFO] [stdout]    --> src/message.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fail_output` is never used
[INFO] [stdout]    --> src/message.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `any` is never used
[INFO] [stdout]   --> src/normalize.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Variations {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `update` is never read
[INFO] [stdout]   --> src/run.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Project {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     update: Update,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diff.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render>> {
[INFO] [stdout]    |                     ^^^^^ the lifetime is elided here               ------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render<'_>>> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "70b99f435c8d7b2a2d417e8f875deae68af15440fba2beadcb3615c51e185850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b99f435c8d7b2a2d417e8f875deae68af15440fba2beadcb3615c51e185850", kill_on_drop: false }`
[INFO] [stdout] 70b99f435c8d7b2a2d417e8f875deae68af15440fba2beadcb3615c51e185850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c42302abd45159df6721238ed3692a0036688aee9ef864387e97b8f06a8dd21
[INFO] running `Command { std: "docker" "start" "-a" "9c42302abd45159df6721238ed3692a0036688aee9ef864387e97b8f06a8dd21", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/run.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail` and `Warn`
[INFO] [stdout]   --> src/run.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stdout]    |                            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]    --> src/lib.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub use macros::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute` is never used
[INFO] [stdout]   --> src/diff.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     impl Diff {
[INFO] [stdout]    |     --------- associated function in this implementation
[INFO] [stdout] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mismatch`, `ReadStderr`, `ShouldNotHaveCompiled`, and `WriteStderr` are never constructed
[INFO] [stdout]   --> src/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Mismatch,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     ReadStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ShouldNotHaveCompiled,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     WriteStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]   --> src/message.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Level {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_not_have_compiled` is never used
[INFO] [stdout]   --> src/message.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_stderr_wip` is never used
[INFO] [stdout]   --> src/message.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `overwrite_stderr` is never used
[INFO] [stdout]    --> src/message.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mismatch` is never used
[INFO] [stdout]    --> src/message.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fail_output` is never used
[INFO] [stdout]    --> src/message.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `any` is never used
[INFO] [stdout]   --> src/normalize.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Variations {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `update` is never read
[INFO] [stdout]   --> src/run.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Project {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     update: Update,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diff.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render>> {
[INFO] [stdout]    |                     ^^^^^ the lifetime is elided here               ------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render<'_>>> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kaos v0.1.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/run.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail` and `Warn`
[INFO] [stdout]   --> src/run.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stdout]    |                            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]    --> src/lib.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub use macros::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute` is never used
[INFO] [stdout]   --> src/diff.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     impl Diff {
[INFO] [stdout]    |     --------- associated function in this implementation
[INFO] [stdout] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mismatch`, `ReadStderr`, `ShouldNotHaveCompiled`, and `WriteStderr` are never constructed
[INFO] [stdout]   --> src/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Mismatch,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     ReadStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ShouldNotHaveCompiled,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     WriteStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]   --> src/message.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Level {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_not_have_compiled` is never used
[INFO] [stdout]   --> src/message.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_stderr_wip` is never used
[INFO] [stdout]   --> src/message.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `overwrite_stderr` is never used
[INFO] [stdout]    --> src/message.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mismatch` is never used
[INFO] [stdout]    --> src/message.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fail_output` is never used
[INFO] [stdout]    --> src/message.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `any` is never used
[INFO] [stdout]   --> src/normalize.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Variations {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `update` is never read
[INFO] [stdout]   --> src/run.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Project {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     update: Update,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diff.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render>> {
[INFO] [stdout]    |                     ^^^^^ the lifetime is elided here               ------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render<'_>>> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "9c42302abd45159df6721238ed3692a0036688aee9ef864387e97b8f06a8dd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c42302abd45159df6721238ed3692a0036688aee9ef864387e97b8f06a8dd21", kill_on_drop: false }`
[INFO] [stdout] 9c42302abd45159df6721238ed3692a0036688aee9ef864387e97b8f06a8dd21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acb76c5a1a2d9f1378f6229a267ae7f755b1ed827979de3d7198c429a0c72b10
[INFO] running `Command { std: "docker" "start" "-a" "acb76c5a1a2d9f1378f6229a267ae7f755b1ed827979de3d7198c429a0c72b10", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `OsStr`
[INFO] [stderr]  --> src/run.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Fail` and `Warn`
[INFO] [stderr]   --> src/run.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stderr]    |                            ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `macros::*`
[INFO] [stderr]    --> src/lib.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 | pub use macros::*;
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `compute` is never used
[INFO] [stderr]   --> src/diff.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |     impl Diff {
[INFO] [stderr]    |     --------- associated function in this implementation
[INFO] [stderr] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Mismatch`, `ReadStderr`, `ShouldNotHaveCompiled`, and `WriteStderr` are never constructed
[INFO] [stderr]   --> src/error.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub enum Error {
[INFO] [stderr]    |          ----- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 15 |     Mismatch,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     ReadStderr(io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     ShouldNotHaveCompiled,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     WriteStderr(io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Level` is never used
[INFO] [stderr]   --> src/message.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) enum Level {
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `should_not_have_compiled` is never used
[INFO] [stderr]   --> src/message.rs:90:15
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_stderr_wip` is never used
[INFO] [stderr]   --> src/message.rs:99:15
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `overwrite_stderr` is never used
[INFO] [stderr]    --> src/message.rs:117:15
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mismatch` is never used
[INFO] [stderr]    --> src/message.rs:130:15
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stderr]     |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fail_output` is never used
[INFO] [stderr]    --> src/message.rs:195:15
[INFO] [stderr]     |
[INFO] [stderr] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `any` is never used
[INFO] [stderr]   --> src/normalize.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 57 | impl Variations {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `update` is never read
[INFO] [stderr]   --> src/run.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Project {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 27 |     update: Update,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/diff.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render>> {
[INFO] [stderr]    |                     ^^^^^ the lifetime is elided here               ------ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 76 |         pub fn iter(&self, _input: &str) -> Box<dyn Iterator<Item = Render<'_>>> {
[INFO] [stderr]    |                                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `kaos` (lib) generated 14 warnings (run `cargo fix --lib -p kaos` to apply 4 suggestions)
[INFO] [stderr] warning: `kaos` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kaos-e2f27d7a467e9255)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test path::test_path_macro ... ok
[INFO] [stderr] potato
[INFO] [stdout] test macros::macro_tests::kaostest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kaos
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acb76c5a1a2d9f1378f6229a267ae7f755b1ed827979de3d7198c429a0c72b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb76c5a1a2d9f1378f6229a267ae7f755b1ed827979de3d7198c429a0c72b10", kill_on_drop: false }`
[INFO] [stdout] acb76c5a1a2d9f1378f6229a267ae7f755b1ed827979de3d7198c429a0c72b10