[INFO] cloning repository https://github.com/ConradMearns/erreta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConradMearns/erreta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradMearns%2Ferreta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradMearns%2Ferreta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3152b6b1299e57ba35d8143798bff31769b51dfe
[INFO] checking ConradMearns/erreta against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradMearns%2Ferreta" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConradMearns/erreta on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConradMearns/erreta
[INFO] finished tweaking git repo https://github.com/ConradMearns/erreta
[INFO] tweaked toml for git repo https://github.com/ConradMearns/erreta written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ConradMearns/erreta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8576a7694993fe8810a47104ee6fb11f35557c66f832c3cbea9d13346bb69da1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8576a7694993fe8810a47104ee6fb11f35557c66f832c3cbea9d13346bb69da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8576a7694993fe8810a47104ee6fb11f35557c66f832c3cbea9d13346bb69da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8576a7694993fe8810a47104ee6fb11f35557c66f832c3cbea9d13346bb69da1", kill_on_drop: false }`
[INFO] [stdout] 8576a7694993fe8810a47104ee6fb11f35557c66f832c3cbea9d13346bb69da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b89f13df9c5c4d3cd01fdbc7bae6f8df6c45e2a28225b5fd84b7d982b048a29
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b89f13df9c5c4d3cd01fdbc7bae6f8df6c45e2a28225b5fd84b7d982b048a29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.53
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.53
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.53
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.53
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.53
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.53
[INFO] [stderr]     Checking js-sys v0.3.30
[INFO] [stderr]    Compiling web-sys v0.3.30
[INFO] [stderr]     Checking erreta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "5b89f13df9c5c4d3cd01fdbc7bae6f8df6c45e2a28225b5fd84b7d982b048a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b89f13df9c5c4d3cd01fdbc7bae6f8df6c45e2a28225b5fd84b7d982b048a29", kill_on_drop: false }`
[INFO] [stdout] 5b89f13df9c5c4d3cd01fdbc7bae6f8df6c45e2a28225b5fd84b7d982b048a29