[INFO] fetching crate color-char 0.2.0...
[INFO] checking color-char-0.2.0 against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] extracting crate color-char 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate color-char 0.2.0 on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color-char 0.2.0
[INFO] finished tweaking crates.io crate color-char 0.2.0
[INFO] tweaked toml for crates.io crate color-char 0.2.0 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "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 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7a06fb5704837b34eb12b73539a2929135ae22b5f16ea94b0fb55f9c12539c9
[INFO] running `Command { std: "docker" "start" "-a" "b7a06fb5704837b34eb12b73539a2929135ae22b5f16ea94b0fb55f9c12539c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7a06fb5704837b34eb12b73539a2929135ae22b5f16ea94b0fb55f9c12539c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a06fb5704837b34eb12b73539a2929135ae22b5f16ea94b0fb55f9c12539c9", kill_on_drop: false }`
[INFO] [stdout] b7a06fb5704837b34eb12b73539a2929135ae22b5f16ea94b0fb55f9c12539c9
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f48ec7fe8bc8e6c8707d7a3af63817be5f1be4fca2473fbe4378dc5f1f818abe
[INFO] running `Command { std: "docker" "start" "-a" "f48ec7fe8bc8e6c8707d7a3af63817be5f1be4fca2473fbe4378dc5f1f818abe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking color-char v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "f48ec7fe8bc8e6c8707d7a3af63817be5f1be4fca2473fbe4378dc5f1f818abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48ec7fe8bc8e6c8707d7a3af63817be5f1be4fca2473fbe4378dc5f1f818abe", kill_on_drop: false }`
[INFO] [stdout] f48ec7fe8bc8e6c8707d7a3af63817be5f1be4fca2473fbe4378dc5f1f818abe