[INFO] cloning repository https://github.com/thomasmulvaney/supermer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasmulvaney/supermer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasmulvaney%2Fsupermer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasmulvaney%2Fsupermer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6cc26a5eb4add209a6b4d2f0402276feb7dea4d
[INFO] checking thomasmulvaney/supermer against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasmulvaney%2Fsupermer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasmulvaney/supermer on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomasmulvaney/supermer
[INFO] finished tweaking git repo https://github.com/thomasmulvaney/supermer
[INFO] tweaked toml for git repo https://github.com/thomasmulvaney/supermer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasmulvaney/supermer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e2b27eed1253894de38bb6e53db1e54e7cf6d9a6833602cfd0a4e9db1ec02c8
[INFO] running `Command { std: "docker" "start" "-a" "1e2b27eed1253894de38bb6e53db1e54e7cf6d9a6833602cfd0a4e9db1ec02c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e2b27eed1253894de38bb6e53db1e54e7cf6d9a6833602cfd0a4e9db1ec02c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2b27eed1253894de38bb6e53db1e54e7cf6d9a6833602cfd0a4e9db1ec02c8", kill_on_drop: false }`
[INFO] [stdout] 1e2b27eed1253894de38bb6e53db1e54e7cf6d9a6833602cfd0a4e9db1ec02c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6fb65ef54971309b63c831a3359580c07c6a88267b07cba3756636bc45941b
[INFO] running `Command { std: "docker" "start" "-a" "4f6fb65ef54971309b63c831a3359580c07c6a88267b07cba3756636bc45941b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]     Checking regex-syntax v0.6.14
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[INFO] [stderr]    Compiling bio v0.30.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
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[INFO] [stderr]     Checking minima v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking itertools v0.8.2
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[INFO] [stderr]    Compiling bv v0.11.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.8
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[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking itertools-num v0.1.3
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[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking nthash v0.4.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling strum_macros v0.16.0
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[INFO] [stderr]     Checking bstr v0.2.11
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[INFO] [stderr]     Checking bio-types v0.5.1
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[INFO] [stdout] warning: function is never used: `assert_bounds`
[INFO] [stdout]    --> src/lib.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn assert_bounds<H: Copy + PartialOrd>(k: usize, s: usize, sm: &Supermer<H>) {
[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 47.94s
[INFO] running `Command { std: "docker" "inspect" "4f6fb65ef54971309b63c831a3359580c07c6a88267b07cba3756636bc45941b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6fb65ef54971309b63c831a3359580c07c6a88267b07cba3756636bc45941b", kill_on_drop: false }`
[INFO] [stdout] 4f6fb65ef54971309b63c831a3359580c07c6a88267b07cba3756636bc45941b