[INFO] cloning repository https://github.com/emreozenses/concatenate_rust_task
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emreozenses/concatenate_rust_task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreozenses%2Fconcatenate_rust_task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreozenses%2Fconcatenate_rust_task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9310a47b748ccf5ad1726f7653b88f8c421e8059
[INFO] checking emreozenses/concatenate_rust_task against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreozenses%2Fconcatenate_rust_task" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emreozenses/concatenate_rust_task
[INFO] finished tweaking git repo https://github.com/emreozenses/concatenate_rust_task
[INFO] tweaked toml for git repo https://github.com/emreozenses/concatenate_rust_task written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emreozenses/concatenate_rust_task on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emreozenses/concatenate_rust_task 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc584f0f27fe725b028eafcaf56ea9a4c5c3dba12cbd6f261e24438936dca4c
[INFO] running `Command { std: "docker" "start" "-a" "3cc584f0f27fe725b028eafcaf56ea9a4c5c3dba12cbd6f261e24438936dca4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc584f0f27fe725b028eafcaf56ea9a4c5c3dba12cbd6f261e24438936dca4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc584f0f27fe725b028eafcaf56ea9a4c5c3dba12cbd6f261e24438936dca4c", kill_on_drop: false }`
[INFO] [stdout] 3cc584f0f27fe725b028eafcaf56ea9a4c5c3dba12cbd6f261e24438936dca4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b4b3e4cf983a420ae239a277d86a45103c33f6d907ffd0e7e07cdd8a0c81d8
[INFO] running `Command { std: "docker" "start" "-a" "72b4b3e4cf983a420ae239a277d86a45103c33f6d907ffd0e7e07cdd8a0c81d8", kill_on_drop: false }`
[INFO] [stderr]     Checking concatenate_rust_task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "72b4b3e4cf983a420ae239a277d86a45103c33f6d907ffd0e7e07cdd8a0c81d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b4b3e4cf983a420ae239a277d86a45103c33f6d907ffd0e7e07cdd8a0c81d8", kill_on_drop: false }`
[INFO] [stdout] 72b4b3e4cf983a420ae239a277d86a45103c33f6d907ffd0e7e07cdd8a0c81d8