[INFO] cloning repository https://github.com/PurpleBooth/fizz-buzz-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PurpleBooth/fizz-buzz-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Ffizz-buzz-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Ffizz-buzz-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e172c3db928c6569803e17b7de552b2e9a30b25f
[INFO] checking PurpleBooth/fizz-buzz-rust against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Ffizz-buzz-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleBooth/fizz-buzz-rust on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PurpleBooth/fizz-buzz-rust
[INFO] finished tweaking git repo https://github.com/PurpleBooth/fizz-buzz-rust
[INFO] tweaked toml for git repo https://github.com/PurpleBooth/fizz-buzz-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleBooth/fizz-buzz-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded route-recognizer v0.1.12
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded iron-test v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a19c897701f524dc3b5188610ae0b4b8309394b1beb8c71748eaa7e3ca5d85e
[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" "7a19c897701f524dc3b5188610ae0b4b8309394b1beb8c71748eaa7e3ca5d85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a19c897701f524dc3b5188610ae0b4b8309394b1beb8c71748eaa7e3ca5d85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a19c897701f524dc3b5188610ae0b4b8309394b1beb8c71748eaa7e3ca5d85e", kill_on_drop: false }`
[INFO] [stdout] 7a19c897701f524dc3b5188610ae0b4b8309394b1beb8c71748eaa7e3ca5d85e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dfa977816ae0ccc85399f57c3e27eceb84a587bebf2bf6f691beedc0d4f74c1
[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" "5dfa977816ae0ccc85399f57c3e27eceb84a587bebf2bf6f691beedc0d4f74c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking iron-test v0.6.0
[INFO] [stderr]     Checking fizz-buzz-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.71s
[INFO] running `Command { std: "docker" "inspect" "5dfa977816ae0ccc85399f57c3e27eceb84a587bebf2bf6f691beedc0d4f74c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dfa977816ae0ccc85399f57c3e27eceb84a587bebf2bf6f691beedc0d4f74c1", kill_on_drop: false }`
[INFO] [stdout] 5dfa977816ae0ccc85399f57c3e27eceb84a587bebf2bf6f691beedc0d4f74c1