[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] 8c47f9508e4f68f3534ff8ba52830b37f2bcd3aa
[INFO] checking Kmer-File-Format/kff-rust-api against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmer-File-Format%2Fkff-rust-api" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kmer-File-Format/kff-rust-api 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 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-3/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" "+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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 836f640b92f0124919f6c67aa84cbc82dfad43dcf14d624e44f689fe88bce70b
[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" "836f640b92f0124919f6c67aa84cbc82dfad43dcf14d624e44f689fe88bce70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836f640b92f0124919f6c67aa84cbc82dfad43dcf14d624e44f689fe88bce70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836f640b92f0124919f6c67aa84cbc82dfad43dcf14d624e44f689fe88bce70b", kill_on_drop: false }`
[INFO] [stdout] 836f640b92f0124919f6c67aa84cbc82dfad43dcf14d624e44f689fe88bce70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d2485bab832baf7acdfd6616b0b85e80fc23b1a02f26e4308b6c0bcc01cc69f7
[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" "d2485bab832baf7acdfd6616b0b85e80fc23b1a02f26e4308b6c0bcc01cc69f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling radium v0.6.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking wyz v0.2.0
[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 29.53s
[INFO] running `Command { std: "docker" "inspect" "d2485bab832baf7acdfd6616b0b85e80fc23b1a02f26e4308b6c0bcc01cc69f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2485bab832baf7acdfd6616b0b85e80fc23b1a02f26e4308b6c0bcc01cc69f7", kill_on_drop: false }`
[INFO] [stdout] d2485bab832baf7acdfd6616b0b85e80fc23b1a02f26e4308b6c0bcc01cc69f7