[INFO] fetching crate genovo 0.2.3...
[INFO] checking genovo-0.2.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate genovo 0.2.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate genovo 0.2.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genovo 0.2.3
[INFO] finished tweaking crates.io crate genovo 0.2.3
[INFO] tweaked toml for crates.io crate genovo 0.2.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate genovo 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1607dd18473fe15c0eb9c211494ffe77529aeeaf06ea13c7a287871d67c2584d
[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" "1607dd18473fe15c0eb9c211494ffe77529aeeaf06ea13c7a287871d67c2584d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1607dd18473fe15c0eb9c211494ffe77529aeeaf06ea13c7a287871d67c2584d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1607dd18473fe15c0eb9c211494ffe77529aeeaf06ea13c7a287871d67c2584d", kill_on_drop: false }`
[INFO] [stdout] 1607dd18473fe15c0eb9c211494ffe77529aeeaf06ea13c7a287871d67c2584d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d414c38f676e7120139d6bb8a13566671f2d5591976a295fc2ab6ce0cbc9fb
[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" "31d414c38f676e7120139d6bb8a13566671f2d5591976a295fc2ab6ce0cbc9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tabfile v0.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking twobit v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking pattern_partition_prediction v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking bigdecimal v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking mutexpect v0.2.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking genovo v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.57s
[INFO] running `Command { std: "docker" "inspect" "31d414c38f676e7120139d6bb8a13566671f2d5591976a295fc2ab6ce0cbc9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d414c38f676e7120139d6bb8a13566671f2d5591976a295fc2ab6ce0cbc9fb", kill_on_drop: false }`
[INFO] [stdout] 31d414c38f676e7120139d6bb8a13566671f2d5591976a295fc2ab6ce0cbc9fb