[INFO] fetching crate colornamer 1.0.1...
[INFO] checking colornamer-1.0.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate colornamer 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate colornamer 1.0.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colornamer 1.0.1
[INFO] finished tweaking crates.io crate colornamer 1.0.1
[INFO] tweaked toml for crates.io crate colornamer 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.1.3
[INFO] [stderr]   Downloaded cast v0.1.0
[INFO] [stderr]   Downloaded criterion-stats v0.1.3
[INFO] [stderr]   Downloaded criterion v0.1.2
[INFO] [stderr]   Downloaded simplelog v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aecd89776c7b4783d3c158203a452b140f316d6e769939df325ede947978b611
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aecd89776c7b4783d3c158203a452b140f316d6e769939df325ede947978b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aecd89776c7b4783d3c158203a452b140f316d6e769939df325ede947978b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aecd89776c7b4783d3c158203a452b140f316d6e769939df325ede947978b611", kill_on_drop: false }`
[INFO] [stdout] aecd89776c7b4783d3c158203a452b140f316d6e769939df325ede947978b611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89271c2db05cd07b1eb0678f2a9d17a6a0a09897e1ba2c8e89518858c556b30f
[INFO] running `Command { std: "docker" "start" "-a" "89271c2db05cd07b1eb0678f2a9d17a6a0a09897e1ba2c8e89518858c556b30f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking colornamer v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.33s
[INFO] running `Command { std: "docker" "inspect" "89271c2db05cd07b1eb0678f2a9d17a6a0a09897e1ba2c8e89518858c556b30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89271c2db05cd07b1eb0678f2a9d17a6a0a09897e1ba2c8e89518858c556b30f", kill_on_drop: false }`
[INFO] [stdout] 89271c2db05cd07b1eb0678f2a9d17a6a0a09897e1ba2c8e89518858c556b30f