[INFO] cloning repository https://github.com/jprio/crabcan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jprio/crabcan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76f9a2aed202e59d8e5f0eb663ba947cc6a76003
[INFO] checking jprio/crabcan against master#e29821ff85a2a3000d226f99f62f89464028d5d6 for pr-111505
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jprio/crabcan on toolchain e29821ff85a2a3000d226f99f62f89464028d5d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jprio/crabcan
[INFO] finished tweaking git repo https://github.com/jprio/crabcan
[INFO] tweaked toml for git repo https://github.com/jprio/crabcan written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jprio/crabcan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.6
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded ipc v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3dff53e5eee93d1de0231360b6f0e56e5ff6f3af56e0abb2cb86c1e90313a5d
[INFO] running `Command { std: "docker" "start" "-a" "c3dff53e5eee93d1de0231360b6f0e56e5ff6f3af56e0abb2cb86c1e90313a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3dff53e5eee93d1de0231360b6f0e56e5ff6f3af56e0abb2cb86c1e90313a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3dff53e5eee93d1de0231360b6f0e56e5ff6f3af56e0abb2cb86c1e90313a5d", kill_on_drop: false }`
[INFO] [stdout] c3dff53e5eee93d1de0231360b6f0e56e5ff6f3af56e0abb2cb86c1e90313a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85f1b711e5e422b645fd518fce8c9c4e93891467294bfcb6dded5ac70abfc615
[INFO] running `Command { std: "docker" "start" "-a" "85f1b711e5e422b645fd518fce8c9c4e93891467294bfcb6dded5ac70abfc615", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling paste v1.0.8
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking ipc v0.2.0
[INFO] [stderr]     Checking crabcan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]   --> src/namespaces.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn handle_child_uid_map(pid: Pid, fd: RawFd) -> Result<(), Errcode> {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]   --> src/namespaces.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn handle_child_uid_map(pid: Pid, fd: RawFd) -> Result<(), Errcode> {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/cli.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | /     env_logger::Builder::from_default_env()
[INFO] [stdout] 5 | |         .format_timestamp_secs()
[INFO] [stdout] 6 | |         .filter(None, level)
[INFO] [stdout] 7 | |         .try_init();
[INFO] [stdout]   | |___________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = env_logger::Builder::from_default_env()
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/cli.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | /     env_logger::Builder::from_default_env()
[INFO] [stdout] 5 | |         .format_timestamp_secs()
[INFO] [stdout] 6 | |         .filter(None, level)
[INFO] [stdout] 7 | |         .try_init();
[INFO] [stdout]   | |___________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = env_logger::Builder::from_default_env()
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "85f1b711e5e422b645fd518fce8c9c4e93891467294bfcb6dded5ac70abfc615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f1b711e5e422b645fd518fce8c9c4e93891467294bfcb6dded5ac70abfc615", kill_on_drop: false }`
[INFO] [stdout] 85f1b711e5e422b645fd518fce8c9c4e93891467294bfcb6dded5ac70abfc615