[INFO] cloning repository https://github.com/chrisbouchard/klondike-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisbouchard/klondike-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisbouchard%2Fklondike-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisbouchard%2Fklondike-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b017ed3cc4645df7e48f137e0197252feef44b09
[INFO] checking chrisbouchard/klondike-rs against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisbouchard%2Fklondike-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisbouchard/klondike-rs on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisbouchard/klondike-rs
[INFO] finished tweaking git repo https://github.com/chrisbouchard/klondike-rs
[INFO] tweaked toml for git repo https://github.com/chrisbouchard/klondike-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisbouchard/klondike-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded yaml-rust v0.4.3
[INFO] [stderr]   Downloaded num_enum_derive v0.4.2
[INFO] [stderr]   Downloaded rust-ini v0.13.0
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded euclid v0.20.3
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded log-panics v2.0.0
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.4
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded snafu-derive v0.6.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded simplelog v0.7.4
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded num_enum v0.4.2
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded snafu v0.6.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded derive_more v0.99.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] e125e94645b29d15156e12d6ed17c03a05dfe9f695e72dc6e1e4f8f6ee930f3f
[INFO] running `Command { std: "docker" "start" "-a" "e125e94645b29d15156e12d6ed17c03a05dfe9f695e72dc6e1e4f8f6ee930f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e125e94645b29d15156e12d6ed17c03a05dfe9f695e72dc6e1e4f8f6ee930f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e125e94645b29d15156e12d6ed17c03a05dfe9f695e72dc6e1e4f8f6ee930f3f", kill_on_drop: false }`
[INFO] [stdout] e125e94645b29d15156e12d6ed17c03a05dfe9f695e72dc6e1e4f8f6ee930f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb986ace8f6af1191673853b3f10b6c238431f71647354e428d6f2c8f04d95c4
[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" "eb986ace8f6af1191673853b3f10b6c238431f71647354e428d6f2c8f04d95c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking euclid v0.20.3
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling snafu-derive v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.1
[INFO] [stderr]     Checking snafu v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.4.2
[INFO] [stderr]     Checking num_enum v0.4.2
[INFO] [stderr]     Checking klondike-rs v1.1.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "eb986ace8f6af1191673853b3f10b6c238431f71647354e428d6f2c8f04d95c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb986ace8f6af1191673853b3f10b6c238431f71647354e428d6f2c8f04d95c4", kill_on_drop: false }`
[INFO] [stdout] eb986ace8f6af1191673853b3f10b6c238431f71647354e428d6f2c8f04d95c4