[INFO] fetching crate barfs 0.1.2...
[INFO] testing barfs-0.1.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate barfs 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate barfs 0.1.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barfs 0.1.2
[INFO] finished tweaking crates.io crate barfs 0.1.2
[INFO] tweaked toml for crates.io crate barfs 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate barfs 0.1.2 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.89.1
[INFO] [stderr]   Downloaded cranelift-native v0.89.1
[INFO] [stderr]   Downloaded cranelift v0.89.1
[INFO] [stderr]   Downloaded regalloc2 v0.4.2
[INFO] [stderr]   Downloaded cranelift-frontend v0.89.1
[INFO] [stderr]   Downloaded cranelift-jit v0.89.1
[INFO] [stderr]   Downloaded cranelift-module v0.89.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.89.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.89.1
[INFO] [stderr]   Downloaded cranelift-entity v0.89.1
[INFO] [stderr]   Downloaded cranelift-isle v0.89.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.89.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf9d6adf1da7910a32fdf338da89bf0da76b0227d52f68eb3c53a190fc45d9b0
[INFO] running `Command { std: "docker" "start" "-a" "bf9d6adf1da7910a32fdf338da89bf0da76b0227d52f68eb3c53a190fc45d9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf9d6adf1da7910a32fdf338da89bf0da76b0227d52f68eb3c53a190fc45d9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9d6adf1da7910a32fdf338da89bf0da76b0227d52f68eb3c53a190fc45d9b0", kill_on_drop: false }`
[INFO] [stdout] bf9d6adf1da7910a32fdf338da89bf0da76b0227d52f68eb3c53a190fc45d9b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb5fa9826255b75a08a50ddc877a2243b3c83ef5d39d89287a201a22cf7637df
[INFO] running `Command { std: "docker" "start" "-a" "fb5fa9826255b75a08a50ddc877a2243b3c83ef5d39d89287a201a22cf7637df", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cranelift-isle v0.89.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.89.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling slice-group-by v0.3.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling cranelift-entity v0.89.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bumpalo v3.11.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.89.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling cranelift-bforest v0.89.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling regalloc2 v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cranelift-codegen v0.89.1
[INFO] [stderr]    Compiling cranelift-frontend v0.89.1
[INFO] [stderr]    Compiling cranelift-module v0.89.1
[INFO] [stderr]    Compiling cranelift-native v0.89.1
[INFO] [stderr]    Compiling cranelift-jit v0.89.1
[INFO] [stderr]    Compiling cranelift v0.89.1
[INFO] [stderr]    Compiling barfs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cfg.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut prevop = &mut cfg[*previnst as usize];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.01s
[INFO] running `Command { std: "docker" "inspect" "fb5fa9826255b75a08a50ddc877a2243b3c83ef5d39d89287a201a22cf7637df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5fa9826255b75a08a50ddc877a2243b3c83ef5d39d89287a201a22cf7637df", kill_on_drop: false }`
[INFO] [stdout] fb5fa9826255b75a08a50ddc877a2243b3c83ef5d39d89287a201a22cf7637df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9b791224831e13d08bf358420f15af0d8363c58028c6db2be7015b1a41c9fa2
[INFO] running `Command { std: "docker" "start" "-a" "b9b791224831e13d08bf358420f15af0d8363c58028c6db2be7015b1a41c9fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling barfs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cfg.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut prevop = &mut cfg[*previnst as usize];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b9b791224831e13d08bf358420f15af0d8363c58028c6db2be7015b1a41c9fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b791224831e13d08bf358420f15af0d8363c58028c6db2be7015b1a41c9fa2", kill_on_drop: false }`
[INFO] [stdout] b9b791224831e13d08bf358420f15af0d8363c58028c6db2be7015b1a41c9fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 233ac1a6db5f2f9968e7f51732d4de6b9abdfb4ba72b8e9c7cb753bc824e3472
[INFO] running `Command { std: "docker" "start" "-a" "233ac1a6db5f2f9968e7f51732d4de6b9abdfb4ba72b8e9c7cb753bc824e3472", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:138:7
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut prevop = &mut cfg[*previnst as usize];
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `barfs` (bin "barfs" test) generated 1 warning (run `cargo fix --bin "barfs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/barfs-e91c0fa9a0696867)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "233ac1a6db5f2f9968e7f51732d4de6b9abdfb4ba72b8e9c7cb753bc824e3472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233ac1a6db5f2f9968e7f51732d4de6b9abdfb4ba72b8e9c7cb753bc824e3472", kill_on_drop: false }`
[INFO] [stdout] 233ac1a6db5f2f9968e7f51732d4de6b9abdfb4ba72b8e9c7cb753bc824e3472
[INFO] testing barfs-0.1.2 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate barfs 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate barfs 0.1.2 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barfs 0.1.2
[INFO] finished tweaking crates.io crate barfs 0.1.2
[INFO] tweaked toml for crates.io crate barfs 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate barfs 0.1.2 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1cda216452124280fc7ce7f85bd685938c6849bfffbfbeb630ac7b57557c891
[INFO] running `Command { std: "docker" "start" "-a" "e1cda216452124280fc7ce7f85bd685938c6849bfffbfbeb630ac7b57557c891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1cda216452124280fc7ce7f85bd685938c6849bfffbfbeb630ac7b57557c891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cda216452124280fc7ce7f85bd685938c6849bfffbfbeb630ac7b57557c891", kill_on_drop: false }`
[INFO] [stdout] e1cda216452124280fc7ce7f85bd685938c6849bfffbfbeb630ac7b57557c891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 757ec5126bcadd99c9e040a9c90eafd2e4f70db3ebdb426f3878e4000dde7f84
[INFO] running `Command { std: "docker" "start" "-a" "757ec5126bcadd99c9e040a9c90eafd2e4f70db3ebdb426f3878e4000dde7f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-isle v0.89.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.89.1
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling slice-group-by v0.3.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cranelift-entity v0.89.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling bumpalo v3.11.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.89.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling cranelift-bforest v0.89.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling regalloc2 v0.4.2
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cranelift-codegen v0.89.1
[INFO] [stderr]    Compiling cranelift-native v0.89.1
[INFO] [stderr]    Compiling cranelift-frontend v0.89.1
[INFO] [stderr]    Compiling cranelift-module v0.89.1
[INFO] [stderr]    Compiling cranelift v0.89.1
[INFO] [stderr]    Compiling cranelift-jit v0.89.1
[INFO] [stderr]    Compiling barfs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cfg.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut prevop = &mut cfg[*previnst as usize];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.27s
[INFO] running `Command { std: "docker" "inspect" "757ec5126bcadd99c9e040a9c90eafd2e4f70db3ebdb426f3878e4000dde7f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757ec5126bcadd99c9e040a9c90eafd2e4f70db3ebdb426f3878e4000dde7f84", kill_on_drop: false }`
[INFO] [stdout] 757ec5126bcadd99c9e040a9c90eafd2e4f70db3ebdb426f3878e4000dde7f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a42679cddef441f8d80b889aab68518a4ec07c40dd7398ea198bd8b54eedb12
[INFO] running `Command { std: "docker" "start" "-a" "7a42679cddef441f8d80b889aab68518a4ec07c40dd7398ea198bd8b54eedb12", kill_on_drop: false }`
[INFO] [stderr]    Compiling barfs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cfg.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut prevop = &mut cfg[*previnst as usize];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7a42679cddef441f8d80b889aab68518a4ec07c40dd7398ea198bd8b54eedb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a42679cddef441f8d80b889aab68518a4ec07c40dd7398ea198bd8b54eedb12", kill_on_drop: false }`
[INFO] [stdout] 7a42679cddef441f8d80b889aab68518a4ec07c40dd7398ea198bd8b54eedb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e181045d862783e436149f6f47bdec845c6e01348fcae6a07f38b9c29a74552f
[INFO] running `Command { std: "docker" "start" "-a" "e181045d862783e436149f6f47bdec845c6e01348fcae6a07f38b9c29a74552f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:138:7
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut prevop = &mut cfg[*previnst as usize];
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `barfs` (bin "barfs" test) generated 1 warning (run `cargo fix --bin "barfs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/barfs-e91c0fa9a0696867)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e181045d862783e436149f6f47bdec845c6e01348fcae6a07f38b9c29a74552f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e181045d862783e436149f6f47bdec845c6e01348fcae6a07f38b9c29a74552f", kill_on_drop: false }`
[INFO] [stdout] e181045d862783e436149f6f47bdec845c6e01348fcae6a07f38b9c29a74552f
