[INFO] fetching crate kaos 0.1.1-alpha.2...
[INFO] checking kaos-0.1.1-alpha.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate kaos 0.1.1-alpha.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kaos 0.1.1-alpha.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
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[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding fail v0.3.0 (latest: v0.5.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding proptest v0.9.6 (latest: v1.5.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding rusty-fork v0.2.2 (latest: v0.3.0)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.19)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fail v0.3.0
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d35c2b409b4ae9ddc127305b55369c5489775c61662bf6ac537bcbf535d11345
[INFO] running `Command { std: "docker" "start" "-a" "d35c2b409b4ae9ddc127305b55369c5489775c61662bf6ac537bcbf535d11345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d35c2b409b4ae9ddc127305b55369c5489775c61662bf6ac537bcbf535d11345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c2b409b4ae9ddc127305b55369c5489775c61662bf6ac537bcbf535d11345", kill_on_drop: false }`
[INFO] [stdout] d35c2b409b4ae9ddc127305b55369c5489775c61662bf6ac537bcbf535d11345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf7222196aa90fd198bdb105acb802d231f346cfae700e45deda0b1ebd7262b
[INFO] running `Command { std: "docker" "start" "-a" "9cf7222196aa90fd198bdb105acb802d231f346cfae700e45deda0b1ebd7262b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking 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: 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: 13 warnings emitted
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.58s
[INFO] running `Command { std: "docker" "inspect" "9cf7222196aa90fd198bdb105acb802d231f346cfae700e45deda0b1ebd7262b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf7222196aa90fd198bdb105acb802d231f346cfae700e45deda0b1ebd7262b", kill_on_drop: false }`
[INFO] [stdout] 9cf7222196aa90fd198bdb105acb802d231f346cfae700e45deda0b1ebd7262b