[INFO] cloning repository https://github.com/Kmer-File-Format/kff-rust-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kmer-File-Format/kff-rust-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmer-File-Format%2Fkff-rust-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmer-File-Format%2Fkff-rust-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc14a7f5d90ea2cdbbff7d5490557b4605123af5
[INFO] checking Kmer-File-Format/kff-rust-api against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmer-File-Format%2Fkff-rust-api" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kmer-File-Format/kff-rust-api on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kmer-File-Format/kff-rust-api
[INFO] finished tweaking git repo https://github.com/Kmer-File-Format/kff-rust-api
[INFO] tweaked toml for git repo https://github.com/Kmer-File-Format/kff-rust-api written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kmer-File-Format/kff-rust-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 87c11d2afcaec4aed634c559ac6a8185ecba4f34b4b6a4c8d9f3f568ac37a228
[INFO] running `Command { std: "docker" "start" "-a" "87c11d2afcaec4aed634c559ac6a8185ecba4f34b4b6a4c8d9f3f568ac37a228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c11d2afcaec4aed634c559ac6a8185ecba4f34b4b6a4c8d9f3f568ac37a228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c11d2afcaec4aed634c559ac6a8185ecba4f34b4b6a4c8d9f3f568ac37a228", kill_on_drop: false }`
[INFO] [stdout] 87c11d2afcaec4aed634c559ac6a8185ecba4f34b4b6a4c8d9f3f568ac37a228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7073db73cf43fc05933920c49bf5f9ac06442690f2af13ee5b518c6e9f5deae1
[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" "7073db73cf43fc05933920c49bf5f9ac06442690f2af13ee5b518c6e9f5deae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling radium v0.6.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitvec v0.20.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking kff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]    --> src/minimizer.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     m: u64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]    --> src/minimizer.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     m: u64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.34s
[INFO] running `Command { std: "docker" "inspect" "7073db73cf43fc05933920c49bf5f9ac06442690f2af13ee5b518c6e9f5deae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7073db73cf43fc05933920c49bf5f9ac06442690f2af13ee5b518c6e9f5deae1", kill_on_drop: false }`
[INFO] [stdout] 7073db73cf43fc05933920c49bf5f9ac06442690f2af13ee5b518c6e9f5deae1