[INFO] fetching crate srgb 0.3.2...
[INFO] checking srgb-0.3.2 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate srgb 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate srgb 0.3.2 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srgb 0.3.2
[INFO] finished tweaking crates.io crate srgb 0.3.2
[INFO] tweaked toml for crates.io crate srgb 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb_derivation v0.2.0
[INFO] [stderr]   Downloaded kahan v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8542d6c9870251c5962f20ea8df4fa849f2a5c1dbfe665c3fa7146bee42b4d1d
[INFO] running `Command { std: "docker" "start" "-a" "8542d6c9870251c5962f20ea8df4fa849f2a5c1dbfe665c3fa7146bee42b4d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8542d6c9870251c5962f20ea8df4fa849f2a5c1dbfe665c3fa7146bee42b4d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8542d6c9870251c5962f20ea8df4fa849f2a5c1dbfe665c3fa7146bee42b4d1d", kill_on_drop: false }`
[INFO] [stdout] 8542d6c9870251c5962f20ea8df4fa849f2a5c1dbfe665c3fa7146bee42b4d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57fd22c01c1b7e250c7b1936d3360ec67b27b1cdb8faced4d85aee4f76b4ebd4
[INFO] running `Command { std: "docker" "start" "-a" "57fd22c01c1b7e250c7b1936d3360ec67b27b1cdb8faced4d85aee4f76b4ebd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.20.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling rgb_derivation v0.2.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking rgb v0.8.36
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking float_next_after v0.1.5
[INFO] [stderr]     Checking kahan v0.1.4
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]    Compiling srgb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "57fd22c01c1b7e250c7b1936d3360ec67b27b1cdb8faced4d85aee4f76b4ebd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fd22c01c1b7e250c7b1936d3360ec67b27b1cdb8faced4d85aee4f76b4ebd4", kill_on_drop: false }`
[INFO] [stdout] 57fd22c01c1b7e250c7b1936d3360ec67b27b1cdb8faced4d85aee4f76b4ebd4