[INFO] fetching crate ronfmt 0.1.0...
[INFO] testing ronfmt-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ronfmt 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ronfmt 0.1.0
[INFO] finished tweaking crates.io crate ronfmt 0.1.0
[INFO] tweaked toml for crates.io crate ronfmt 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ronfmt 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.48)
[INFO] [stderr]       Adding itertools v0.7.11 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba01435938f8fa17109ebeb783b52917459a025e9f22ec0509def1da1635356e
[INFO] running `Command { std: "docker" "start" "-a" "ba01435938f8fa17109ebeb783b52917459a025e9f22ec0509def1da1635356e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba01435938f8fa17109ebeb783b52917459a025e9f22ec0509def1da1635356e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba01435938f8fa17109ebeb783b52917459a025e9f22ec0509def1da1635356e", kill_on_drop: false }`
[INFO] [stdout] ba01435938f8fa17109ebeb783b52917459a025e9f22ec0509def1da1635356e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84cdecdb18ee8175e710baff8adcac9e49615ff6d9a661238682ccfee7a6b51d
[INFO] running `Command { std: "docker" "start" "-a" "84cdecdb18ee8175e710baff8adcac9e49615ff6d9a661238682ccfee7a6b51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stderr]    Compiling ronfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ast/display.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |             let _ = writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "84cdecdb18ee8175e710baff8adcac9e49615ff6d9a661238682ccfee7a6b51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cdecdb18ee8175e710baff8adcac9e49615ff6d9a661238682ccfee7a6b51d", kill_on_drop: false }`
[INFO] [stdout] 84cdecdb18ee8175e710baff8adcac9e49615ff6d9a661238682ccfee7a6b51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cb0be074c44fce7b7f2d1e5155070100991875f4d7eefa5c71b239facdcf9c
[INFO] running `Command { std: "docker" "start" "-a" "d7cb0be074c44fce7b7f2d1e5155070100991875f4d7eefa5c71b239facdcf9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ronfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ast/display.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |             let _ = writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d7cb0be074c44fce7b7f2d1e5155070100991875f4d7eefa5c71b239facdcf9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cb0be074c44fce7b7f2d1e5155070100991875f4d7eefa5c71b239facdcf9c", kill_on_drop: false }`
[INFO] [stdout] d7cb0be074c44fce7b7f2d1e5155070100991875f4d7eefa5c71b239facdcf9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e13275e3254bd0cd9ec3cff37799b587a41ba51a1be5b7da8dba32dcc6c14b1c
[INFO] running `Command { std: "docker" "start" "-a" "e13275e3254bd0cd9ec3cff37799b587a41ba51a1be5b7da8dba32dcc6c14b1c", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/ast/display.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 10 |             let _ = writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ronfmt` (bin "ronfmt" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ronfmt-0bd8de0d13bf6176)
[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" "e13275e3254bd0cd9ec3cff37799b587a41ba51a1be5b7da8dba32dcc6c14b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13275e3254bd0cd9ec3cff37799b587a41ba51a1be5b7da8dba32dcc6c14b1c", kill_on_drop: false }`
[INFO] [stdout] e13275e3254bd0cd9ec3cff37799b587a41ba51a1be5b7da8dba32dcc6c14b1c