[INFO] fetching crate luthien 0.6.0...
[INFO] checking luthien-0.6.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate luthien 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate luthien 0.6.0
[INFO] finished tweaking crates.io crate luthien 0.6.0
[INFO] tweaked toml for crates.io crate luthien 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate luthien 0.6.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate luthien 0.6.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb28f32dd5e024d4d63b4bff121f34642cc32cb513513ec1954ddb8226b06269
[INFO] running `Command { std: "docker" "start" "-a" "bb28f32dd5e024d4d63b4bff121f34642cc32cb513513ec1954ddb8226b06269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb28f32dd5e024d4d63b4bff121f34642cc32cb513513ec1954ddb8226b06269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb28f32dd5e024d4d63b4bff121f34642cc32cb513513ec1954ddb8226b06269", kill_on_drop: false }`
[INFO] [stdout] bb28f32dd5e024d4d63b4bff121f34642cc32cb513513ec1954ddb8226b06269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23eebfef59ccca071dcfa25b3763bfddddba022cba082b5ad546e0505f641b06
[INFO] running `Command { std: "docker" "start" "-a" "23eebfef59ccca071dcfa25b3763bfddddba022cba082b5ad546e0505f641b06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking eyre v0.6.5
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking bytemuck v1.7.0
[INFO] [stderr]    Compiling impl-enum v0.2.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking flurry v0.3.1
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking ipipe v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking luthien v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/theme.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         format!("{}", test_theme!().colors.palette);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let _ = format!("{}", test_theme!().colors.palette);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/theme.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         format!("{}", test_theme!());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = format!("{}", test_theme!());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `Command { std: "docker" "inspect" "23eebfef59ccca071dcfa25b3763bfddddba022cba082b5ad546e0505f641b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23eebfef59ccca071dcfa25b3763bfddddba022cba082b5ad546e0505f641b06", kill_on_drop: false }`
[INFO] [stdout] 23eebfef59ccca071dcfa25b3763bfddddba022cba082b5ad546e0505f641b06