[INFO] fetching crate falsh 0.2.0...
[INFO] testing falsh-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate falsh 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate falsh 0.2.0
[INFO] finished tweaking crates.io crate falsh 0.2.0
[INFO] tweaked toml for crates.io crate falsh 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate falsh 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate falsh 0.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00b9b9beda91e1065ab89c98214519cb71abc4c2d2e2545303731557b0a34f29
[INFO] running `Command { std: "docker" "start" "-a" "00b9b9beda91e1065ab89c98214519cb71abc4c2d2e2545303731557b0a34f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00b9b9beda91e1065ab89c98214519cb71abc4c2d2e2545303731557b0a34f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b9b9beda91e1065ab89c98214519cb71abc4c2d2e2545303731557b0a34f29", kill_on_drop: false }`
[INFO] [stdout] 00b9b9beda91e1065ab89c98214519cb71abc4c2d2e2545303731557b0a34f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f91fccf23c8d749ace95d7f291d70991c11b6941c1c9cc26caebd19d60414a8e
[INFO] running `Command { std: "docker" "start" "-a" "f91fccf23c8d749ace95d7f291d70991c11b6941c1c9cc26caebd19d60414a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling rustyline v17.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling falsh v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let mut path = env::var_os("PATH").unwrap_or_default();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "f91fccf23c8d749ace95d7f291d70991c11b6941c1c9cc26caebd19d60414a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91fccf23c8d749ace95d7f291d70991c11b6941c1c9cc26caebd19d60414a8e", kill_on_drop: false }`
[INFO] [stdout] f91fccf23c8d749ace95d7f291d70991c11b6941c1c9cc26caebd19d60414a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c0cc8cd2d6ad2724c253a7c584adec6fc1a6360c202f9a825f3324229b1d957
[INFO] running `Command { std: "docker" "start" "-a" "8c0cc8cd2d6ad2724c253a7c584adec6fc1a6360c202f9a825f3324229b1d957", kill_on_drop: false }`
[INFO] [stderr]    Compiling falsh v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let mut path = env::var_os("PATH").unwrap_or_default();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8c0cc8cd2d6ad2724c253a7c584adec6fc1a6360c202f9a825f3324229b1d957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0cc8cd2d6ad2724c253a7c584adec6fc1a6360c202f9a825f3324229b1d957", kill_on_drop: false }`
[INFO] [stdout] 8c0cc8cd2d6ad2724c253a7c584adec6fc1a6360c202f9a825f3324229b1d957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd288f9b8b2021bb9c39a0e5a3fec94c9d4cd11f13106dad639b974f8f42dd75
[INFO] running `Command { std: "docker" "start" "-a" "bd288f9b8b2021bb9c39a0e5a3fec94c9d4cd11f13106dad639b974f8f42dd75", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 |     let mut path = env::var_os("PATH").unwrap_or_default();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `falsh` (bin "falsh" test) generated 1 warning (run `cargo fix --bin "falsh" -p falsh --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/falsh-772ef72aac6e6309)
[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" "bd288f9b8b2021bb9c39a0e5a3fec94c9d4cd11f13106dad639b974f8f42dd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd288f9b8b2021bb9c39a0e5a3fec94c9d4cd11f13106dad639b974f8f42dd75", kill_on_drop: false }`
[INFO] [stdout] bd288f9b8b2021bb9c39a0e5a3fec94c9d4cd11f13106dad639b974f8f42dd75