[INFO] cloning repository https://github.com/mnit-rtmc/mere
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnit-rtmc/mere" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d23ef6d3d5f4fa94b64929903a9413d94b6768ca
[INFO] checking mnit-rtmc/mere against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mnit-rtmc/mere 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 git repo https://github.com/mnit-rtmc/mere
[INFO] finished tweaking git repo https://github.com/mnit-rtmc/mere
[INFO] tweaked toml for git repo https://github.com/mnit-rtmc/mere written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mnit-rtmc/mere already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 047c8efb426b063044543c0b8b98a88051b8e8447efc22e0e4c6b918da49dc06
[INFO] running `Command { std: "docker" "start" "-a" "047c8efb426b063044543c0b8b98a88051b8e8447efc22e0e4c6b918da49dc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047c8efb426b063044543c0b8b98a88051b8e8447efc22e0e4c6b918da49dc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047c8efb426b063044543c0b8b98a88051b8e8447efc22e0e4c6b918da49dc06", kill_on_drop: false }`
[INFO] [stdout] 047c8efb426b063044543c0b8b98a88051b8e8447efc22e0e4c6b918da49dc06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 90d4d4f87a5de8818e81882dc77037f010c1490ccad9a887f8410faf5b54b136
[INFO] running `Command { std: "docker" "start" "-a" "90d4d4f87a5de8818e81882dc77037f010c1490ccad9a887f8410faf5b54b136", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking inotify v0.9.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking ssh2 v0.9.1
[INFO] [stderr]     Checking mere v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.87s
[INFO] running `Command { std: "docker" "inspect" "90d4d4f87a5de8818e81882dc77037f010c1490ccad9a887f8410faf5b54b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d4d4f87a5de8818e81882dc77037f010c1490ccad9a887f8410faf5b54b136", kill_on_drop: false }`
[INFO] [stdout] 90d4d4f87a5de8818e81882dc77037f010c1490ccad9a887f8410faf5b54b136