[INFO] cloning repository https://github.com/canndrew/concat-arrays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/canndrew/concat-arrays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanndrew%2Fconcat-arrays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanndrew%2Fconcat-arrays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 717a69a9e4bafd9d2dadabbcc9fdc393b0c94895
[INFO] checking canndrew/concat-arrays against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanndrew%2Fconcat-arrays" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/canndrew/concat-arrays on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/canndrew/concat-arrays
[INFO] finished tweaking git repo https://github.com/canndrew/concat-arrays
[INFO] tweaked toml for git repo https://github.com/canndrew/concat-arrays written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/canndrew/concat-arrays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37e6b87e8f5c86f57c02b22ef043f1d5fc33cbd84c70a5d88e96ed31a3dbf357
[INFO] running `Command { std: "docker" "start" "-a" "37e6b87e8f5c86f57c02b22ef043f1d5fc33cbd84c70a5d88e96ed31a3dbf357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e6b87e8f5c86f57c02b22ef043f1d5fc33cbd84c70a5d88e96ed31a3dbf357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e6b87e8f5c86f57c02b22ef043f1d5fc33cbd84c70a5d88e96ed31a3dbf357", kill_on_drop: false }`
[INFO] [stdout] 37e6b87e8f5c86f57c02b22ef043f1d5fc33cbd84c70a5d88e96ed31a3dbf357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 126b48c27263895e2b958e217874ad9360b3aaa6c174bd512f8f8f4d1b9357ef
[INFO] running `Command { std: "docker" "start" "-a" "126b48c27263895e2b958e217874ad9360b3aaa6c174bd512f8f8f4d1b9357ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking concat-arrays v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "126b48c27263895e2b958e217874ad9360b3aaa6c174bd512f8f8f4d1b9357ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126b48c27263895e2b958e217874ad9360b3aaa6c174bd512f8f8f4d1b9357ef", kill_on_drop: false }`
[INFO] [stdout] 126b48c27263895e2b958e217874ad9360b3aaa6c174bd512f8f8f4d1b9357ef