[INFO] cloning repository https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-petals-around-the-rose", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-petals-around-the-rose'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ecceaf6f7c8d1446b2d184fed146dccd14367d
[INFO] checking blakehawkins/gfrh-rs-club-petals-around-the-rose against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-petals-around-the-rose" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose
[INFO] finished tweaking git repo https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose
[INFO] tweaked toml for git repo https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/blakehawkins/gfrh-rs-club-petals-around-the-rose already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] c1773d2d7d7fa1bb40430aebe08d9194da9d6480550b6c6ba1a4cd2ec879d3e9
[INFO] running `Command { std: "docker" "start" "-a" "c1773d2d7d7fa1bb40430aebe08d9194da9d6480550b6c6ba1a4cd2ec879d3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1773d2d7d7fa1bb40430aebe08d9194da9d6480550b6c6ba1a4cd2ec879d3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1773d2d7d7fa1bb40430aebe08d9194da9d6480550b6c6ba1a4cd2ec879d3e9", kill_on_drop: false }`
[INFO] [stdout] c1773d2d7d7fa1bb40430aebe08d9194da9d6480550b6c6ba1a4cd2ec879d3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8255f5a5493302478f60e105bf1c175accb4fa82253a05141177d5ba13ffef79
[INFO] running `Command { std: "docker" "start" "-a" "8255f5a5493302478f60e105bf1c175accb4fa82253a05141177d5ba13ffef79", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling cc v1.0.7
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking ferris-says v0.1.1
[INFO] [stderr]     Checking ferris_print v0.1.0
[INFO] [stderr]     Checking gfrh-rs-club-petals-around-the-rose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate failure_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate failure_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate structopt;
[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 30.09s
[INFO] running `Command { std: "docker" "inspect" "8255f5a5493302478f60e105bf1c175accb4fa82253a05141177d5ba13ffef79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8255f5a5493302478f60e105bf1c175accb4fa82253a05141177d5ba13ffef79", kill_on_drop: false }`
[INFO] [stdout] 8255f5a5493302478f60e105bf1c175accb4fa82253a05141177d5ba13ffef79