[INFO] cloning repository https://github.com/callas1900/rshuffler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/callas1900/rshuffler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallas1900%2Frshuffler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallas1900%2Frshuffler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8b08409f0336a275006381f9cadd7d73f28ec64
[INFO] checking callas1900/rshuffler against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallas1900%2Frshuffler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/callas1900/rshuffler on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/callas1900/rshuffler
[INFO] finished tweaking git repo https://github.com/callas1900/rshuffler
[INFO] tweaked toml for git repo https://github.com/callas1900/rshuffler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/callas1900/rshuffler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e03ac1039217f1188bc691c3c54332871653b435ab32b04da21b7aff15274d6
[INFO] running `Command { std: "docker" "start" "-a" "1e03ac1039217f1188bc691c3c54332871653b435ab32b04da21b7aff15274d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e03ac1039217f1188bc691c3c54332871653b435ab32b04da21b7aff15274d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e03ac1039217f1188bc691c3c54332871653b435ab32b04da21b7aff15274d6", kill_on_drop: false }`
[INFO] [stdout] 1e03ac1039217f1188bc691c3c54332871653b435ab32b04da21b7aff15274d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd70bca848b9475ae903bc21f2d7bfd1b5aa7e51e16d30903fcf0d073ac1463f
[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" "fd70bca848b9475ae903bc21f2d7bfd1b5aa7e51e16d30903fcf0d073ac1463f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking shuffle_member v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.46s
[INFO] running `Command { std: "docker" "inspect" "fd70bca848b9475ae903bc21f2d7bfd1b5aa7e51e16d30903fcf0d073ac1463f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd70bca848b9475ae903bc21f2d7bfd1b5aa7e51e16d30903fcf0d073ac1463f", kill_on_drop: false }`
[INFO] [stdout] fd70bca848b9475ae903bc21f2d7bfd1b5aa7e51e16d30903fcf0d073ac1463f