[INFO] fetching crate mews 0.4.2...
[INFO] checking mews-0.4.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate mews 0.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mews 0.4.2
[INFO] finished tweaking crates.io crate mews 0.4.2
[INFO] tweaked toml for crates.io crate mews 0.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mews 0.4.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mews 0.4.2 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08fd41d1e5f2b9cc0d0d26cd127d2e748fc41073e6e563a82f7f58c579890867
[INFO] running `Command { std: "docker" "start" "-a" "08fd41d1e5f2b9cc0d0d26cd127d2e748fc41073e6e563a82f7f58c579890867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fd41d1e5f2b9cc0d0d26cd127d2e748fc41073e6e563a82f7f58c579890867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fd41d1e5f2b9cc0d0d26cd127d2e748fc41073e6e563a82f7f58c579890867", kill_on_drop: false }`
[INFO] [stdout] 08fd41d1e5f2b9cc0d0d26cd127d2e748fc41073e6e563a82f7f58c579890867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7d5c84da453c9a3c7768a8aa69ca5ac28d50b3cb56bed0511118dde1de8106e
[INFO] running `Command { std: "docker" "start" "-a" "a7d5c84da453c9a3c7768a8aa69ca5ac28d50b3cb56bed0511118dde1de8106e", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking mews v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "a7d5c84da453c9a3c7768a8aa69ca5ac28d50b3cb56bed0511118dde1de8106e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d5c84da453c9a3c7768a8aa69ca5ac28d50b3cb56bed0511118dde1de8106e", kill_on_drop: false }`
[INFO] [stdout] a7d5c84da453c9a3c7768a8aa69ca5ac28d50b3cb56bed0511118dde1de8106e