[INFO] cloning repository https://github.com/ZiCog/insane-british-anagram-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZiCog/insane-british-anagram-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Finsane-british-anagram-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Finsane-british-anagram-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4da0a7f6c8c009cb018d365f1fffe4275d1c09be
[INFO] checking ZiCog/insane-british-anagram-rust against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Finsane-british-anagram-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZiCog/insane-british-anagram-rust on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZiCog/insane-british-anagram-rust
[INFO] finished tweaking git repo https://github.com/ZiCog/insane-british-anagram-rust
[INFO] tweaked toml for git repo https://github.com/ZiCog/insane-british-anagram-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ZiCog/insane-british-anagram-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e357a64f2d97747a25437de079b80c7e238c1c2c2570c5e12120ca583a8236ba
[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" "e357a64f2d97747a25437de079b80c7e238c1c2c2570c5e12120ca583a8236ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e357a64f2d97747a25437de079b80c7e238c1c2c2570c5e12120ca583a8236ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e357a64f2d97747a25437de079b80c7e238c1c2c2570c5e12120ca583a8236ba", kill_on_drop: false }`
[INFO] [stdout] e357a64f2d97747a25437de079b80c7e238c1c2c2570c5e12120ca583a8236ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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] d6c2f6cb1fed57828fd369def5324fe1b13798a5ad045cfc69338f1b81c98262
[INFO] running `Command { std: "docker" "start" "-a" "d6c2f6cb1fed57828fd369def5324fe1b13798a5ad045cfc69338f1b81c98262", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling typename_derive v0.1.3
[INFO] [stderr]     Checking typename v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking insane-british-anagram v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "d6c2f6cb1fed57828fd369def5324fe1b13798a5ad045cfc69338f1b81c98262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c2f6cb1fed57828fd369def5324fe1b13798a5ad045cfc69338f1b81c98262", kill_on_drop: false }`
[INFO] [stdout] d6c2f6cb1fed57828fd369def5324fe1b13798a5ad045cfc69338f1b81c98262