[INFO] cloning repository https://github.com/ariririri/zero_deep_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ariririri/zero_deep_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariririri%2Fzero_deep_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariririri%2Fzero_deep_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8797227bc95e174ddf7ac690460d5a7a93109f91
[INFO] checking ariririri/zero_deep_rust against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariririri%2Fzero_deep_rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ariririri/zero_deep_rust on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ariririri/zero_deep_rust
[INFO] finished tweaking git repo https://github.com/ariririri/zero_deep_rust
[INFO] tweaked toml for git repo https://github.com/ariririri/zero_deep_rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ariririri/zero_deep_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e34dedbcb8a961bbfd27c2d8d80dc0bedfb757c9eb349a45ad7110f39e393d
[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" "a7e34dedbcb8a961bbfd27c2d8d80dc0bedfb757c9eb349a45ad7110f39e393d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e34dedbcb8a961bbfd27c2d8d80dc0bedfb757c9eb349a45ad7110f39e393d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e34dedbcb8a961bbfd27c2d8d80dc0bedfb757c9eb349a45ad7110f39e393d", kill_on_drop: false }`
[INFO] [stdout] a7e34dedbcb8a961bbfd27c2d8d80dc0bedfb757c9eb349a45ad7110f39e393d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2d83777e2e3b9f11eeb4b6d38b36f23920c95335414f3727d98bfb9a8048dc
[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" "fd2d83777e2e3b9f11eeb4b6d38b36f23920c95335414f3727d98bfb9a8048dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.1
[INFO] [stderr]     Checking zero_deep_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.49s
[INFO] running `Command { std: "docker" "inspect" "fd2d83777e2e3b9f11eeb4b6d38b36f23920c95335414f3727d98bfb9a8048dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2d83777e2e3b9f11eeb4b6d38b36f23920c95335414f3727d98bfb9a8048dc", kill_on_drop: false }`
[INFO] [stdout] fd2d83777e2e3b9f11eeb4b6d38b36f23920c95335414f3727d98bfb9a8048dc