[INFO] fetching crate rlfsc 0.2.2...
[INFO] building rlfsc-0.2.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rlfsc 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rlfsc 0.2.2
[INFO] finished tweaking crates.io crate rlfsc 0.2.2
[INFO] tweaked toml for crates.io crate rlfsc 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlfsc 0.2.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rlfsc 0.2.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cf7b502d9d3ee6161f04df2ad00c43e9db87f29026f6a45252c22faeb4b7285
[INFO] running `Command { std: "docker" "start" "-a" "9cf7b502d9d3ee6161f04df2ad00c43e9db87f29026f6a45252c22faeb4b7285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf7b502d9d3ee6161f04df2ad00c43e9db87f29026f6a45252c22faeb4b7285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf7b502d9d3ee6161f04df2ad00c43e9db87f29026f6a45252c22faeb4b7285", kill_on_drop: false }`
[INFO] [stdout] 9cf7b502d9d3ee6161f04df2ad00c43e9db87f29026f6a45252c22faeb4b7285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 960f755d8aa1cb515679f90c915b871eb8400b598f0c679be0031045aee21a5d
[INFO] running `Command { std: "docker" "start" "-a" "960f755d8aa1cb515679f90c915b871eb8400b598f0c679be0031045aee21a5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling az v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rlimit v0.4.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling rlfsc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Level` is never constructed
[INFO] [stdout]    --> src/token.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | struct Level<'a> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 34s
[INFO] running `Command { std: "docker" "inspect" "960f755d8aa1cb515679f90c915b871eb8400b598f0c679be0031045aee21a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960f755d8aa1cb515679f90c915b871eb8400b598f0c679be0031045aee21a5d", kill_on_drop: false }`
[INFO] [stdout] 960f755d8aa1cb515679f90c915b871eb8400b598f0c679be0031045aee21a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925132e2cb50ca3b2b49cdedd09fcf290e90e3b945ec3f988c5b63396273e977
[INFO] running `Command { std: "docker" "start" "-a" "925132e2cb50ca3b2b49cdedd09fcf290e90e3b945ec3f988c5b63396273e977", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlfsc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Level` is never constructed
[INFO] [stdout]    --> src/token.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | struct Level<'a> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "925132e2cb50ca3b2b49cdedd09fcf290e90e3b945ec3f988c5b63396273e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925132e2cb50ca3b2b49cdedd09fcf290e90e3b945ec3f988c5b63396273e977", kill_on_drop: false }`
[INFO] [stdout] 925132e2cb50ca3b2b49cdedd09fcf290e90e3b945ec3f988c5b63396273e977