[INFO] fetching crate escpos-rs 0.3.0...
[INFO] testing escpos-rs-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate escpos-rs 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate escpos-rs 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate escpos-rs 0.3.0
[INFO] finished tweaking crates.io crate escpos-rs 0.3.0
[INFO] tweaked toml for crates.io crate escpos-rs 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate escpos-rs 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68d0148fb1f9bfc34dd31dcffc38984f619da7f0c4929edb3524236aee252bb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68d0148fb1f9bfc34dd31dcffc38984f619da7f0c4929edb3524236aee252bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d0148fb1f9bfc34dd31dcffc38984f619da7f0c4929edb3524236aee252bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d0148fb1f9bfc34dd31dcffc38984f619da7f0c4929edb3524236aee252bb9", kill_on_drop: false }`
[INFO] [stdout] 68d0148fb1f9bfc34dd31dcffc38984f619da7f0c4929edb3524236aee252bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37208b97745edb994cd96d1a63e7227ae4e9bdfb342f6061b5dbd36d15548cdd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37208b97745edb994cd96d1a63e7227ae4e9bdfb342f6061b5dbd36d15548cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling rusb v0.8.1
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling qrcode v0.12.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]    Compiling escpos-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.35s
[INFO] running `Command { std: "docker" "inspect" "37208b97745edb994cd96d1a63e7227ae4e9bdfb342f6061b5dbd36d15548cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37208b97745edb994cd96d1a63e7227ae4e9bdfb342f6061b5dbd36d15548cdd", kill_on_drop: false }`
[INFO] [stdout] 37208b97745edb994cd96d1a63e7227ae4e9bdfb342f6061b5dbd36d15548cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50099d1773a20b9f95b6693f0dafe4f3e3e75ab2915ed531523ceeb6f0479fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e50099d1773a20b9f95b6693f0dafe4f3e3e75ab2915ed531523ceeb6f0479fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling escpos-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "e50099d1773a20b9f95b6693f0dafe4f3e3e75ab2915ed531523ceeb6f0479fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50099d1773a20b9f95b6693f0dafe4f3e3e75ab2915ed531523ceeb6f0479fe", kill_on_drop: false }`
[INFO] [stdout] e50099d1773a20b9f95b6693f0dafe4f3e3e75ab2915ed531523ceeb6f0479fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6709c6e71f39a4c3887d0abbe4dc59ef069a1fac81bdcff3ef0106a0be6a41d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6709c6e71f39a4c3887d0abbe4dc59ef069a1fac81bdcff3ef0106a0be6a41d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/escpos_rs-820725ffb12ceb6b)
[INFO] [stderr]    Doc-tests escpos-rs
[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] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test src/printer.rs - printer::Printer::raw (line 292) - compile ... ok
[INFO] [stdout] test src/printer.rs - printer::Printer (line 41) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 39) - compile ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name escpos_rs --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/usr/lib/x86_64-linux-gnu --extern base64=/opt/rustwide/target/debug/deps/libbase64-bff61f2d1660603b.rlib --extern codepage_437=/opt/rustwide/target/debug/deps/libcodepage_437-a0d13475e2b84335.rlib --extern escpos_rs=/opt/rustwide/target/debug/deps/libescpos_rs-06e03c96796b36cf.rlib --extern image=/opt/rustwide/target/debug/deps/libimage-a472689577ce7250.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-85f4ca97e1cbe80a.rlib --extern qrcode=/opt/rustwide/target/debug/deps/libqrcode-78ebe8b63ff52c93.rlib --extern rusb=/opt/rustwide/target/debug/deps/librusb-272f13d648b738bf.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a67db2ee1f3c704e.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6709c6e71f39a4c3887d0abbe4dc59ef069a1fac81bdcff3ef0106a0be6a41d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6709c6e71f39a4c3887d0abbe4dc59ef069a1fac81bdcff3ef0106a0be6a41d1", kill_on_drop: false }`
[INFO] [stdout] 6709c6e71f39a4c3887d0abbe4dc59ef069a1fac81bdcff3ef0106a0be6a41d1