[INFO] fetching crate stylish-core 0.1.2...
[INFO] checking stylish-core-0.1.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate stylish-core 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stylish-core 0.1.2
[INFO] finished tweaking crates.io crate stylish-core 0.1.2
[INFO] tweaked toml for crates.io crate stylish-core 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stylish-core 0.1.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding with_builtin_macros v0.0.3 (available: v0.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4900055b649aead0985dda01f28027c55126895456b7b05a214ccd46a08ecc4
[INFO] running `Command { std: "docker" "start" "-a" "e4900055b649aead0985dda01f28027c55126895456b7b05a214ccd46a08ecc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4900055b649aead0985dda01f28027c55126895456b7b05a214ccd46a08ecc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4900055b649aead0985dda01f28027c55126895456b7b05a214ccd46a08ecc4", kill_on_drop: false }`
[INFO] [stdout] e4900055b649aead0985dda01f28027c55126895456b7b05a214ccd46a08ecc4
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca0a9a32fb4942b8276652f69e36e14604192d493acd89330838a496808be63
[INFO] running `Command { std: "docker" "start" "-a" "6ca0a9a32fb4942b8276652f69e36e14604192d493acd89330838a496808be63", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]     Checking stylish-style v0.1.1
[INFO] [stderr]     Checking stylish-core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking with_builtin_macros v0.0.3
[INFO] [stdout] warning: struct `StdProxy` is never constructed
[INFO] [stdout]   --> src/std_compat.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub(crate) struct StdProxy<'a, 'b>(pub(crate) &'a mut crate::formatter::Formatter<'b>);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdFmt` is never constructed
[INFO] [stdout]  --> src/arguments.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StdFmt<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdFmtOther` is never constructed
[INFO] [stdout]   --> src/arguments.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct StdFmtOther<'a>(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdFmtDebug` is never constructed
[INFO] [stdout]   --> src/arguments.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct StdFmtDebug<'a>(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stylish-macros v0.1.2
[INFO] [stderr]     Checking stylish-core v0.1.2
[INFO] [stderr]     Checking stylish v0.1.0
[INFO] [stdout] warning: struct `StdProxy` is never constructed
[INFO] [stdout]   --> src/std_compat.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub(crate) struct StdProxy<'a, 'b>(pub(crate) &'a mut crate::formatter::Formatter<'b>);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdFmt` is never constructed
[INFO] [stdout]  --> src/arguments.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StdFmt<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdFmtOther` is never constructed
[INFO] [stdout]   --> src/arguments.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct StdFmtOther<'a>(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdFmtDebug` is never constructed
[INFO] [stdout]   --> src/arguments.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct StdFmtDebug<'a>(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "6ca0a9a32fb4942b8276652f69e36e14604192d493acd89330838a496808be63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca0a9a32fb4942b8276652f69e36e14604192d493acd89330838a496808be63", kill_on_drop: false }`
[INFO] [stdout] 6ca0a9a32fb4942b8276652f69e36e14604192d493acd89330838a496808be63