[INFO] fetching crate okolors 0.8.1...
[INFO] checking okolors-0.8.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate okolors 0.8.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate okolors 0.8.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate okolors 0.8.1
[INFO] finished tweaking crates.io crate okolors 0.8.1
[INFO] tweaked toml for crates.io crate okolors 0.8.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 34 packages to latest compatible versions
[INFO] [stderr]       Adding radium v0.7.0 (available: v1.1.0)
[INFO] [stderr]       Adding wyz v0.5.1 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4866a8f008ef8dae209d5cddbcacaafc5d9ec2781843bdcc9f44c8d3c91e3023
[INFO] running `Command { std: "docker" "start" "-a" "4866a8f008ef8dae209d5cddbcacaafc5d9ec2781843bdcc9f44c8d3c91e3023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4866a8f008ef8dae209d5cddbcacaafc5d9ec2781843bdcc9f44c8d3c91e3023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4866a8f008ef8dae209d5cddbcacaafc5d9ec2781843bdcc9f44c8d3c91e3023", kill_on_drop: false }`
[INFO] [stdout] 4866a8f008ef8dae209d5cddbcacaafc5d9ec2781843bdcc9f44c8d3c91e3023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 325307ff306f6fa72118540de075f582588eea542cd3ad09d654ae86dfa98607
[INFO] running `Command { std: "docker" "start" "-a" "325307ff306f6fa72118540de075f582588eea542cd3ad09d654ae86dfa98607", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling palette v0.7.6
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking wide v0.7.28
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking image v0.25.2
[INFO] [stderr]     Checking ordered-float v4.3.0
[INFO] [stderr]    Compiling palette_derive v0.7.6
[INFO] [stderr]     Checking quantette v0.3.0
[INFO] [stderr]     Checking okolors v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `Command { std: "docker" "inspect" "325307ff306f6fa72118540de075f582588eea542cd3ad09d654ae86dfa98607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325307ff306f6fa72118540de075f582588eea542cd3ad09d654ae86dfa98607", kill_on_drop: false }`
[INFO] [stdout] 325307ff306f6fa72118540de075f582588eea542cd3ad09d654ae86dfa98607