[INFO] cloning repository https://github.com/thyrc/mexmin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thyrc/mexmin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthyrc%2Fmexmin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthyrc%2Fmexmin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c31ead9beba96260a037d393b75ea00eac2d2ce
[INFO] checking thyrc/mexmin against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthyrc%2Fmexmin" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thyrc/mexmin on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thyrc/mexmin
[INFO] finished tweaking git repo https://github.com/thyrc/mexmin
[INFO] tweaked toml for git repo https://github.com/thyrc/mexmin written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/thyrc/mexmin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded maxminddb v0.13.0
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92cfb90f624e7f4ecf246a7384a29f257e02478ebe6bd4ac0247d4d70ace8a7a
[INFO] running `Command { std: "docker" "start" "-a" "92cfb90f624e7f4ecf246a7384a29f257e02478ebe6bd4ac0247d4d70ace8a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92cfb90f624e7f4ecf246a7384a29f257e02478ebe6bd4ac0247d4d70ace8a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cfb90f624e7f4ecf246a7384a29f257e02478ebe6bd4ac0247d4d70ace8a7a", kill_on_drop: false }`
[INFO] [stdout] 92cfb90f624e7f4ecf246a7384a29f257e02478ebe6bd4ac0247d4d70ace8a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14bacc56734ff8c24f73f11c39f0e0e82de70b2ffdfd7f48d96955f4d8f4fc96
[INFO] running `Command { std: "docker" "start" "-a" "14bacc56734ff8c24f73f11c39f0e0e82de70b2ffdfd7f48d96955f4d8f4fc96", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking maxminddb v0.13.0
[INFO] [stderr]     Checking mexmin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "14bacc56734ff8c24f73f11c39f0e0e82de70b2ffdfd7f48d96955f4d8f4fc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bacc56734ff8c24f73f11c39f0e0e82de70b2ffdfd7f48d96955f4d8f4fc96", kill_on_drop: false }`
[INFO] [stdout] 14bacc56734ff8c24f73f11c39f0e0e82de70b2ffdfd7f48d96955f4d8f4fc96