[INFO] fetching crate ez_tracing 0.1.0...
[INFO] checking ez_tracing-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate ez_tracing 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ez_tracing 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ez_tracing 0.1.0
[INFO] tweaked toml for crates.io crate ez_tracing 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ez_tracing 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ez_tracing 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag-impl v0.2.21
[INFO] [stderr]   Downloaded erased-serde v0.4.9
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[INFO] [stderr]   Downloaded typetag v0.2.21
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[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 381b705f89803cb6577ad6ab2419c2bcb46d4ce46a90a11ce4fd784e792b8ce5
[INFO] running `Command { std: "docker" "start" "-a" "381b705f89803cb6577ad6ab2419c2bcb46d4ce46a90a11ce4fd784e792b8ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "381b705f89803cb6577ad6ab2419c2bcb46d4ce46a90a11ce4fd784e792b8ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381b705f89803cb6577ad6ab2419c2bcb46d4ce46a90a11ce4fd784e792b8ce5", kill_on_drop: false }`
[INFO] [stdout] 381b705f89803cb6577ad6ab2419c2bcb46d4ce46a90a11ce4fd784e792b8ce5
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5dcb5b43b7a70f902bbf166e3df1435e40e520b6d357d2b499322ce887021b
[INFO] running `Command { std: "docker" "start" "-a" "1d5dcb5b43b7a70f902bbf166e3df1435e40e520b6d357d2b499322ce887021b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking pest v2.8.3
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking insta v1.43.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]     Checking ez_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/tracer.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `U8_TEST` is never used
[INFO] [stdout]  --> src/testing/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const U8_TEST: u8 = 42;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `U16_TEST` is never used
[INFO] [stdout]  --> src/testing/constants.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const U16_TEST: u16 = 1337;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USIZE_TEST` is never used
[INFO] [stdout]  --> src/testing/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const USIZE_TEST: usize = 1337;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> tests/error_handling.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         _ => unreachable!(),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> tests/error_handling.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         EErrorTracer::InitSubscriber { .. } => Err(error_tracer),
[INFO] [stdout]    |         ----------------------------------- matches some of the same values
[INFO] [stdout] 55 |         // So because we can't create the LogFile, we can simply skip it
[INFO] [stdout] 56 |         EErrorTracer::LogFile { .. } => {
[INFO] [stdout]    |         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 60 |         _ => unreachable!(),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "1d5dcb5b43b7a70f902bbf166e3df1435e40e520b6d357d2b499322ce887021b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5dcb5b43b7a70f902bbf166e3df1435e40e520b6d357d2b499322ce887021b", kill_on_drop: false }`
[INFO] [stdout] 1d5dcb5b43b7a70f902bbf166e3df1435e40e520b6d357d2b499322ce887021b