[INFO] fetching crate serde_repr 0.1.7...
[INFO] checking serde_repr-0.1.7 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate serde_repr 0.1.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_repr 0.1.7 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_repr 0.1.7
[INFO] finished tweaking crates.io crate serde_repr 0.1.7
[INFO] tweaked toml for crates.io crate serde_repr 0.1.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 927c43c9f1258436ef3cc9ffe3c030cc931f3638534c60324902b6c74bdb3249
[INFO] running `Command { std: "docker" "start" "-a" "927c43c9f1258436ef3cc9ffe3c030cc931f3638534c60324902b6c74bdb3249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927c43c9f1258436ef3cc9ffe3c030cc931f3638534c60324902b6c74bdb3249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927c43c9f1258436ef3cc9ffe3c030cc931f3638534c60324902b6c74bdb3249", kill_on_drop: false }`
[INFO] [stdout] 927c43c9f1258436ef3cc9ffe3c030cc931f3638534c60324902b6c74bdb3249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4dcbd732108f37742fc38a4137d445445460daf93221ee296f0ddf94a9dd6f
[INFO] running `Command { std: "docker" "start" "-a" "6d4dcbd732108f37742fc38a4137d445445460daf93221ee296f0ddf94a9dd6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking serde_repr v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking trybuild v1.0.42
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "6d4dcbd732108f37742fc38a4137d445445460daf93221ee296f0ddf94a9dd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4dcbd732108f37742fc38a4137d445445460daf93221ee296f0ddf94a9dd6f", kill_on_drop: false }`
[INFO] [stdout] 6d4dcbd732108f37742fc38a4137d445445460daf93221ee296f0ddf94a9dd6f