[INFO] fetching crate klondike-rs 1.1.0...
[INFO] checking klondike-rs-1.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate klondike-rs 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate klondike-rs 1.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate klondike-rs 1.1.0
[INFO] finished tweaking crates.io crate klondike-rs 1.1.0
[INFO] tweaked toml for crates.io crate klondike-rs 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate klondike-rs 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6686d631b37f1414851158b7593c4d46ede21a51e1bb6b27605a3a4f76e8cce9
[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" "6686d631b37f1414851158b7593c4d46ede21a51e1bb6b27605a3a4f76e8cce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6686d631b37f1414851158b7593c4d46ede21a51e1bb6b27605a3a4f76e8cce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6686d631b37f1414851158b7593c4d46ede21a51e1bb6b27605a3a4f76e8cce9", kill_on_drop: false }`
[INFO] [stdout] 6686d631b37f1414851158b7593c4d46ede21a51e1bb6b27605a3a4f76e8cce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40b43114b854f19037c84f411f191c2cbc7fa507265bd45f6305eaa0f5e877e9
[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" "40b43114b854f19037c84f411f191c2cbc7fa507265bd45f6305eaa0f5e877e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[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 derive_more v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling snafu-derive v0.6.0
[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 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "40b43114b854f19037c84f411f191c2cbc7fa507265bd45f6305eaa0f5e877e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b43114b854f19037c84f411f191c2cbc7fa507265bd45f6305eaa0f5e877e9", kill_on_drop: false }`
[INFO] [stdout] 40b43114b854f19037c84f411f191c2cbc7fa507265bd45f6305eaa0f5e877e9