[INFO] fetching crate falsh 0.2.0...
[INFO] testing falsh-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[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 c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7550c04873b62d149b3a185034299ac77765054c442f145b4f54cc042a8f8ff
[INFO] running `Command { std: "docker" "start" "-a" "d7550c04873b62d149b3a185034299ac77765054c442f145b4f54cc042a8f8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7550c04873b62d149b3a185034299ac77765054c442f145b4f54cc042a8f8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7550c04873b62d149b3a185034299ac77765054c442f145b4f54cc042a8f8ff", kill_on_drop: false }`
[INFO] [stdout] d7550c04873b62d149b3a185034299ac77765054c442f145b4f54cc042a8f8ff
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd8dfaef3d87ef412b6aa0a51af56503e5bf00f58d2dee63f942098a19937a3f
[INFO] running `Command { std: "docker" "start" "-a" "dd8dfaef3d87ef412b6aa0a51af56503e5bf00f58d2dee63f942098a19937a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling rustyline v17.0.1
[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 10.12s
[INFO] running `Command { std: "docker" "inspect" "dd8dfaef3d87ef412b6aa0a51af56503e5bf00f58d2dee63f942098a19937a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8dfaef3d87ef412b6aa0a51af56503e5bf00f58d2dee63f942098a19937a3f", kill_on_drop: false }`
[INFO] [stdout] dd8dfaef3d87ef412b6aa0a51af56503e5bf00f58d2dee63f942098a19937a3f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef884a1e3cd9f69487999865fe343343e4390110550dac7b06fd60dd1fa0f5ab
[INFO] running `Command { std: "docker" "start" "-a" "ef884a1e3cd9f69487999865fe343343e4390110550dac7b06fd60dd1fa0f5ab", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "ef884a1e3cd9f69487999865fe343343e4390110550dac7b06fd60dd1fa0f5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef884a1e3cd9f69487999865fe343343e4390110550dac7b06fd60dd1fa0f5ab", kill_on_drop: false }`
[INFO] [stdout] ef884a1e3cd9f69487999865fe343343e4390110550dac7b06fd60dd1fa0f5ab
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c333393f86d624a9b68b1a94a56af50b3b9bd8f4a20bb4a861e8f579b59d818
[INFO] running `Command { std: "docker" "start" "-a" "9c333393f86d624a9b68b1a94a56af50b3b9bd8f4a20bb4a861e8f579b59d818", 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 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/falsh-771d5b380c8980bb)
[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" "9c333393f86d624a9b68b1a94a56af50b3b9bd8f4a20bb4a861e8f579b59d818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c333393f86d624a9b68b1a94a56af50b3b9bd8f4a20bb4a861e8f579b59d818", kill_on_drop: false }`
[INFO] [stdout] 9c333393f86d624a9b68b1a94a56af50b3b9bd8f4a20bb4a861e8f579b59d818