[INFO] cloning repository https://github.com/FrogBomb/ulam_spiral
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrogBomb/ulam_spiral" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrogBomb%2Fulam_spiral", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrogBomb%2Fulam_spiral'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dceecb927deda5de5b20e09bd5236cd2ed318326
[INFO] checking FrogBomb/ulam_spiral against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrogBomb%2Fulam_spiral" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrogBomb/ulam_spiral on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrogBomb/ulam_spiral
[INFO] finished tweaking git repo https://github.com/FrogBomb/ulam_spiral
[INFO] tweaked toml for git repo https://github.com/FrogBomb/ulam_spiral written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/FrogBomb/ulam_spiral already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 adler32 v0.3.0
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded image v0.12.2
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.11
[INFO] [stderr]   Downloaded concurrent_prime_sieve v0.2.2
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded deflate v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 924376a53e45bbd40ab4da72dcafd8797db29833a9b930de01a7e1f7c3533fb3
[INFO] running `Command { std: "docker" "start" "-a" "924376a53e45bbd40ab4da72dcafd8797db29833a9b930de01a7e1f7c3533fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "924376a53e45bbd40ab4da72dcafd8797db29833a9b930de01a7e1f7c3533fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924376a53e45bbd40ab4da72dcafd8797db29833a9b930de01a7e1f7c3533fb3", kill_on_drop: false }`
[INFO] [stdout] 924376a53e45bbd40ab4da72dcafd8797db29833a9b930de01a7e1f7c3533fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c399da3d84d3a0d65dfb18f72705aec26141b9c3d097ede2eb930433635de99b
[INFO] running `Command { std: "docker" "start" "-a" "c399da3d84d3a0d65dfb18f72705aec26141b9c3d097ede2eb930433635de99b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking concurrent_prime_sieve v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking image v0.12.2
[INFO] [stderr]     Checking ulam_spiral v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.78s
[INFO] running `Command { std: "docker" "inspect" "c399da3d84d3a0d65dfb18f72705aec26141b9c3d097ede2eb930433635de99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c399da3d84d3a0d65dfb18f72705aec26141b9c3d097ede2eb930433635de99b", kill_on_drop: false }`
[INFO] [stdout] c399da3d84d3a0d65dfb18f72705aec26141b9c3d097ede2eb930433635de99b