[INFO] fetching crate tallystick 0.3.1...
[INFO] checking tallystick-0.3.1 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate tallystick 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tallystick 0.3.1 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tallystick 0.3.1
[INFO] finished tweaking crates.io crate tallystick 0.3.1
[INFO] tweaked toml for crates.io crate tallystick 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86ea752878e2e7018f9fa9b8cb7c78553e06b032b4bc91d9df07b53dea2ac086
[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" "86ea752878e2e7018f9fa9b8cb7c78553e06b032b4bc91d9df07b53dea2ac086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ea752878e2e7018f9fa9b8cb7c78553e06b032b4bc91d9df07b53dea2ac086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ea752878e2e7018f9fa9b8cb7c78553e06b032b4bc91d9df07b53dea2ac086", kill_on_drop: false }`
[INFO] [stdout] 86ea752878e2e7018f9fa9b8cb7c78553e06b032b4bc91d9df07b53dea2ac086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bead0897bbc826e21e61044114284bd05d044a420abee39882c6d1b1d6e3ab6d
[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" "bead0897bbc826e21e61044114284bd05d044a420abee39882c6d1b1d6e3ab6d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking memoffset v0.6.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking tallystick v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> benches/benchmark.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         tally.add(&vote);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.25s
[INFO] running `Command { std: "docker" "inspect" "bead0897bbc826e21e61044114284bd05d044a420abee39882c6d1b1d6e3ab6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bead0897bbc826e21e61044114284bd05d044a420abee39882c6d1b1d6e3ab6d", kill_on_drop: false }`
[INFO] [stdout] bead0897bbc826e21e61044114284bd05d044a420abee39882c6d1b1d6e3ab6d