[INFO] updating cached repository Willianvdv/hackerirc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Willianvdv/hackerirc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Willianvdv/hackerirc" "work/ex/beta-1.38-1/sources/1.37.0/gh/Willianvdv/hackerirc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Willianvdv/hackerirc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Willianvdv/hackerirc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Willianvdv/hackerirc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Willianvdv/hackerirc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc10612430c5fa467656a5b53d7602e8554b6449
[INFO] sha for GitHub repo Willianvdv/hackerirc: bc10612430c5fa467656a5b53d7602e8554b6449
[INFO] validating manifest of Willianvdv/hackerirc on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Willianvdv/hackerirc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Willianvdv/hackerirc
[INFO] finished frobbing Willianvdv/hackerirc
[INFO] frobbed toml for Willianvdv/hackerirc written to work/ex/beta-1.38-1/sources/1.37.0/gh/Willianvdv/hackerirc/Cargo.toml
[INFO] started frobbing Willianvdv/hackerirc
[INFO] finished frobbing Willianvdv/hackerirc
[INFO] frobbed toml for Willianvdv/hackerirc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Willianvdv/hackerirc/Cargo.toml
[INFO] crate Willianvdv/hackerirc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Willianvdv/hackerirc/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Willianvdv/hackerirc against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Willianvdv/hackerirc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 56d260f23090d0aedb5ac35ad0a3b5735564548f03c71d5f3dbeb56ed98c4a65
[INFO] running `"docker" "start" "-a" "56d260f23090d0aedb5ac35ad0a3b5735564548f03c71d5f3dbeb56ed98c4a65"`
[INFO] [stderr]    Compiling hackirc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `url`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     url: String,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `title`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     title: String
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "56d260f23090d0aedb5ac35ad0a3b5735564548f03c71d5f3dbeb56ed98c4a65"`
[INFO] running `"docker" "rm" "-f" "56d260f23090d0aedb5ac35ad0a3b5735564548f03c71d5f3dbeb56ed98c4a65"`
[INFO] [stdout] 56d260f23090d0aedb5ac35ad0a3b5735564548f03c71d5f3dbeb56ed98c4a65
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Willianvdv/hackerirc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2895c4967b18d116e3c680f0747f262433a8bd1a8a931c11eb5701f04639f62b
[INFO] running `"docker" "start" "-a" "2895c4967b18d116e3c680f0747f262433a8bd1a8a931c11eb5701f04639f62b"`
[INFO] [stderr]    Compiling hackirc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `url`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     url: String,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `title`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     title: String
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "2895c4967b18d116e3c680f0747f262433a8bd1a8a931c11eb5701f04639f62b"`
[INFO] running `"docker" "rm" "-f" "2895c4967b18d116e3c680f0747f262433a8bd1a8a931c11eb5701f04639f62b"`
[INFO] [stdout] 2895c4967b18d116e3c680f0747f262433a8bd1a8a931c11eb5701f04639f62b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Willianvdv/hackerirc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e998c611762af21b069e91934e3000fcca0b70b2524de1a4d16059af0831e821
[INFO] running `"docker" "start" "-a" "e998c611762af21b069e91934e3000fcca0b70b2524de1a4d16059af0831e821"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hackirc-5d57e9833f207929
[INFO] running `"docker" "inspect" "e998c611762af21b069e91934e3000fcca0b70b2524de1a4d16059af0831e821"`
[INFO] running `"docker" "rm" "-f" "e998c611762af21b069e91934e3000fcca0b70b2524de1a4d16059af0831e821"`
[INFO] [stdout] e998c611762af21b069e91934e3000fcca0b70b2524de1a4d16059af0831e821