[INFO] cloning repository https://github.com/un01s/coconut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/un01s/coconut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fun01s%2Fcoconut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fun01s%2Fcoconut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a13da27f67f2fad192f321f51cfce7e16422687f
[INFO] checking un01s/coconut against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fun01s%2Fcoconut" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/un01s/coconut on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/un01s/coconut
[INFO] finished tweaking git repo https://github.com/un01s/coconut
[INFO] tweaked toml for git repo https://github.com/un01s/coconut written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/un01s/coconut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packedvec v1.2.4
[INFO] [stderr]   Downloaded lrpar v0.13.8
[INFO] [stderr]   Downloaded lrlex v0.13.8
[INFO] [stderr]   Downloaded cactus v1.0.7
[INFO] [stderr]   Downloaded cfgrammar v0.13.8
[INFO] [stderr]   Downloaded lrtable v0.13.8
[INFO] [stderr]   Downloaded vob v3.0.3
[INFO] [stderr]   Downloaded sparsevec v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7ae5176cf5bbf70163002a86e757772719b0f6eded623969bb21353ab826998
[INFO] running `Command { std: "docker" "start" "-a" "b7ae5176cf5bbf70163002a86e757772719b0f6eded623969bb21353ab826998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7ae5176cf5bbf70163002a86e757772719b0f6eded623969bb21353ab826998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ae5176cf5bbf70163002a86e757772719b0f6eded623969bb21353ab826998", kill_on_drop: false }`
[INFO] [stdout] b7ae5176cf5bbf70163002a86e757772719b0f6eded623969bb21353ab826998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70d434117a50f5686df44919d559ff031dd71cbfe58d7fce518d3a56a681d8c
[INFO] running `Command { std: "docker" "start" "-a" "f70d434117a50f5686df44919d559ff031dd71cbfe58d7fce518d3a56a681d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling vergen v8.3.2
[INFO] [stderr]    Compiling vob v3.0.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cactus v1.0.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling lrpar v0.13.8
[INFO] [stderr]    Compiling lrlex v0.13.8
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling packedvec v1.2.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling sparsevec v0.2.1
[INFO] [stderr]    Compiling cfgrammar v0.13.8
[INFO] [stderr]     Checking lrtable v0.13.8
[INFO] [stderr]    Compiling coconut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if args[1].ends_with(".cnt".clone()) {
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if args[1].ends_with(".cnt".clone()) {
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.29s
[INFO] running `Command { std: "docker" "inspect" "f70d434117a50f5686df44919d559ff031dd71cbfe58d7fce518d3a56a681d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70d434117a50f5686df44919d559ff031dd71cbfe58d7fce518d3a56a681d8c", kill_on_drop: false }`
[INFO] [stdout] f70d434117a50f5686df44919d559ff031dd71cbfe58d7fce518d3a56a681d8c