[INFO] fetching crate ratio-color 0.5.2...
[INFO] building ratio-color-0.5.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate ratio-color 0.5.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ratio-color 0.5.2
[INFO] finished tweaking crates.io crate ratio-color 0.5.2
[INFO] tweaked toml for crates.io crate ratio-color 0.5.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratio-color 0.5.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ratio-color 0.5.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded topology-traits v0.1.2
[INFO] [stderr]   Downloaded strum v0.27.1
[INFO] [stderr]   Downloaded snafu-derive v0.8.6
[INFO] [stderr]   Downloaded enterpolation v0.3.0
[INFO] [stderr]   Downloaded strum_macros v0.27.1
[INFO] [stderr]   Downloaded pretty_assertions v1.4.1
[INFO] [stderr]   Downloaded snafu v0.8.6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35b994bad3b5445aa423bb8bb0d8a680e84c1687e8ba984e630453b0c24bfff5
[INFO] running `Command { std: "docker" "start" "-a" "35b994bad3b5445aa423bb8bb0d8a680e84c1687e8ba984e630453b0c24bfff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35b994bad3b5445aa423bb8bb0d8a680e84c1687e8ba984e630453b0c24bfff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b994bad3b5445aa423bb8bb0d8a680e84c1687e8ba984e630453b0c24bfff5", kill_on_drop: false }`
[INFO] [stdout] 35b994bad3b5445aa423bb8bb0d8a680e84c1687e8ba984e630453b0c24bfff5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 439ac9cc2d66267070387765b7750425790c327e6b0b3deb0fd0669aec54efda
[INFO] running `Command { std: "docker" "start" "-a" "439ac9cc2d66267070387765b7750425790c327e6b0b3deb0fd0669aec54efda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling palette v0.7.6
[INFO] [stderr]    Compiling fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling topology-traits v0.1.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling palette_derive v0.7.6
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling enterpolation v0.3.0
[INFO] [stderr]    Compiling ratio-color v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.47s
[INFO] running `Command { std: "docker" "inspect" "439ac9cc2d66267070387765b7750425790c327e6b0b3deb0fd0669aec54efda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439ac9cc2d66267070387765b7750425790c327e6b0b3deb0fd0669aec54efda", kill_on_drop: false }`
[INFO] [stdout] 439ac9cc2d66267070387765b7750425790c327e6b0b3deb0fd0669aec54efda
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 967113132ae61676fcab18d87025a901b622c5456da359df2f5951a2cf6dba2d
[INFO] running `Command { std: "docker" "start" "-a" "967113132ae61676fcab18d87025a901b622c5456da359df2f5951a2cf6dba2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling ratio-color v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "967113132ae61676fcab18d87025a901b622c5456da359df2f5951a2cf6dba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967113132ae61676fcab18d87025a901b622c5456da359df2f5951a2cf6dba2d", kill_on_drop: false }`
[INFO] [stdout] 967113132ae61676fcab18d87025a901b622c5456da359df2f5951a2cf6dba2d