[INFO] fetching crate nul-terminated 0.1.0...
[INFO] testing nul-terminated-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nul-terminated 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate nul-terminated 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nul-terminated 0.1.0
[INFO] finished tweaking crates.io crate nul-terminated 0.1.0
[INFO] tweaked toml for crates.io crate nul-terminated 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 480299b4478a1263904a2bb85333854393ab61830e3f559a135ffe9048258a08
[INFO] running `Command { std: "docker" "start" "-a" "480299b4478a1263904a2bb85333854393ab61830e3f559a135ffe9048258a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480299b4478a1263904a2bb85333854393ab61830e3f559a135ffe9048258a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480299b4478a1263904a2bb85333854393ab61830e3f559a135ffe9048258a08", kill_on_drop: false }`
[INFO] [stdout] 480299b4478a1263904a2bb85333854393ab61830e3f559a135ffe9048258a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c3642738a9c087d9f5f89cc995f1e8d9eb0b0751bd157186ec4eb16d8d8f5b
[INFO] running `Command { std: "docker" "start" "-a" "04c3642738a9c087d9f5f89cc995f1e8d9eb0b0751bd157186ec4eb16d8d8f5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling idem v0.3.1
[INFO] [stderr]    Compiling fallible v0.1.3
[INFO] [stderr]    Compiling nul-terminated v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "04c3642738a9c087d9f5f89cc995f1e8d9eb0b0751bd157186ec4eb16d8d8f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c3642738a9c087d9f5f89cc995f1e8d9eb0b0751bd157186ec4eb16d8d8f5b", kill_on_drop: false }`
[INFO] [stdout] 04c3642738a9c087d9f5f89cc995f1e8d9eb0b0751bd157186ec4eb16d8d8f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b0ca498ee1fe5a2de6056004a1fcda18bd2e27e92658f3f180bb5511395452
[INFO] running `Command { std: "docker" "start" "-a" "66b0ca498ee1fe5a2de6056004a1fcda18bd2e27e92658f3f180bb5511395452", kill_on_drop: false }`
[INFO] [stderr]    Compiling nul-terminated v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "66b0ca498ee1fe5a2de6056004a1fcda18bd2e27e92658f3f180bb5511395452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b0ca498ee1fe5a2de6056004a1fcda18bd2e27e92658f3f180bb5511395452", kill_on_drop: false }`
[INFO] [stdout] 66b0ca498ee1fe5a2de6056004a1fcda18bd2e27e92658f3f180bb5511395452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61dbe476d60cf7f0c495c49729a2cc35ee0951fb73cd80c3365812ef02ae31e5
[INFO] running `Command { std: "docker" "start" "-a" "61dbe476d60cf7f0c495c49729a2cc35ee0951fb73cd80c3365812ef02ae31e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nul_terminated-dc3518a0b226a0e3)
[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] [stderr]    Doc-tests nul-terminated
[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" "61dbe476d60cf7f0c495c49729a2cc35ee0951fb73cd80c3365812ef02ae31e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dbe476d60cf7f0c495c49729a2cc35ee0951fb73cd80c3365812ef02ae31e5", kill_on_drop: false }`
[INFO] [stdout] 61dbe476d60cf7f0c495c49729a2cc35ee0951fb73cd80c3365812ef02ae31e5