[INFO] fetching crate rlfsc 0.2.2...
[INFO] testing rlfsc-0.2.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rlfsc 0.2.2 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlfsc 0.2.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded az v1.1.0
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.3
[INFO] [stderr]   Downloaded rlimit v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e00d99108a7ce1153c46ea6f6a55cd2bcead871cd86e21d0a1fae27c04d38ccd
[INFO] running `Command { std: "docker" "start" "-a" "e00d99108a7ce1153c46ea6f6a55cd2bcead871cd86e21d0a1fae27c04d38ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e00d99108a7ce1153c46ea6f6a55cd2bcead871cd86e21d0a1fae27c04d38ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00d99108a7ce1153c46ea6f6a55cd2bcead871cd86e21d0a1fae27c04d38ccd", kill_on_drop: false }`
[INFO] [stdout] e00d99108a7ce1153c46ea6f6a55cd2bcead871cd86e21d0a1fae27c04d38ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94a22dfc1668f7612d6d1cc38f23e62cebab9d8c7cfbc9249297cc814069f1f6
[INFO] running `Command { std: "docker" "start" "-a" "94a22dfc1668f7612d6d1cc38f23e62cebab9d8c7cfbc9249297cc814069f1f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling az v1.1.0
[INFO] [stderr]    Compiling yansi v0.5.0
[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 atty v0.2.14
[INFO] [stderr]    Compiling rlimit v0.4.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[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 logos v0.11.4
[INFO] [stderr]    Compiling structopt v0.3.21
[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 38s
[INFO] running `Command { std: "docker" "inspect" "94a22dfc1668f7612d6d1cc38f23e62cebab9d8c7cfbc9249297cc814069f1f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a22dfc1668f7612d6d1cc38f23e62cebab9d8c7cfbc9249297cc814069f1f6", kill_on_drop: false }`
[INFO] [stdout] 94a22dfc1668f7612d6d1cc38f23e62cebab9d8c7cfbc9249297cc814069f1f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a90f161778083fa3f57ee62da88729d2ece9f5e48e5379e30370ffb93d3ebb
[INFO] running `Command { std: "docker" "start" "-a" "18a90f161778083fa3f57ee62da88729d2ece9f5e48e5379e30370ffb93d3ebb", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "18a90f161778083fa3f57ee62da88729d2ece9f5e48e5379e30370ffb93d3ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a90f161778083fa3f57ee62da88729d2ece9f5e48e5379e30370ffb93d3ebb", kill_on_drop: false }`
[INFO] [stdout] 18a90f161778083fa3f57ee62da88729d2ece9f5e48e5379e30370ffb93d3ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d38d28136ac8d532cc3d4dede39d18aed51a6cdc50880cd12769abb4ce301aaf
[INFO] running `Command { std: "docker" "start" "-a" "d38d28136ac8d532cc3d4dede39d18aed51a6cdc50880cd12769abb4ce301aaf", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Level` is never constructed
[INFO] [stderr]    --> src/token.rs:278:8
[INFO] [stderr]     |
[INFO] [stderr] 278 | struct Level<'a> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rlfsc` (bin "rlfsc" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlfsc-4ed7f387d37eb47b)
[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" "d38d28136ac8d532cc3d4dede39d18aed51a6cdc50880cd12769abb4ce301aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38d28136ac8d532cc3d4dede39d18aed51a6cdc50880cd12769abb4ce301aaf", kill_on_drop: false }`
[INFO] [stdout] d38d28136ac8d532cc3d4dede39d18aed51a6cdc50880cd12769abb4ce301aaf