[INFO] cloning repository https://github.com/imoegirl/practical-rust-project-catsay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imoegirl/practical-rust-project-catsay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoegirl%2Fpractical-rust-project-catsay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoegirl%2Fpractical-rust-project-catsay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c13fe84efe2be1944f29ee3970ccfd05861c2f2
[INFO] checking imoegirl/practical-rust-project-catsay against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoegirl%2Fpractical-rust-project-catsay" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imoegirl/practical-rust-project-catsay on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imoegirl/practical-rust-project-catsay
[INFO] finished tweaking git repo https://github.com/imoegirl/practical-rust-project-catsay
[INFO] tweaked toml for git repo https://github.com/imoegirl/practical-rust-project-catsay written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/imoegirl/practical-rust-project-catsay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 480bc2ebf0e78c4060d5dfb037d5ee4be9f3a6c5a3aa43f9c04d238f572ca6bd
[INFO] running `Command { std: "docker" "start" "-a" "480bc2ebf0e78c4060d5dfb037d5ee4be9f3a6c5a3aa43f9c04d238f572ca6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480bc2ebf0e78c4060d5dfb037d5ee4be9f3a6c5a3aa43f9c04d238f572ca6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480bc2ebf0e78c4060d5dfb037d5ee4be9f3a6c5a3aa43f9c04d238f572ca6bd", kill_on_drop: false }`
[INFO] [stdout] 480bc2ebf0e78c4060d5dfb037d5ee4be9f3a6c5a3aa43f9c04d238f572ca6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd6ac3e8bad0caeb7c04809ed3579ac8c65103837623244a788b7ae0a52a378
[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" "8fd6ac3e8bad0caeb7c04809ed3579ac8c65103837623244a788b7ae0a52a378", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking catsay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.80s
[INFO] running `Command { std: "docker" "inspect" "8fd6ac3e8bad0caeb7c04809ed3579ac8c65103837623244a788b7ae0a52a378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd6ac3e8bad0caeb7c04809ed3579ac8c65103837623244a788b7ae0a52a378", kill_on_drop: false }`
[INFO] [stdout] 8fd6ac3e8bad0caeb7c04809ed3579ac8c65103837623244a788b7ae0a52a378