[INFO] cloning repository https://github.com/nibblelang/nibble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nibblelang/nibble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnibblelang%2Fnibble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnibblelang%2Fnibble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1ea98dd7edf2590108a2c2805c802d8d238abab
[INFO] testing nibblelang/nibble against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnibblelang%2Fnibble" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nibblelang/nibble on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nibblelang/nibble
[INFO] finished tweaking git repo https://github.com/nibblelang/nibble
[INFO] tweaked toml for git repo https://github.com/nibblelang/nibble written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nibblelang/nibble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static_assertions v0.3.3
[INFO] [stderr]   Downloaded lexical-core v0.4.3
[INFO] [stderr]   Downloaded stackvector v1.0.6
[INFO] [stderr]   Downloaded nom v5.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a0adc512849b0dc251e85056cbeeb5d2db2e744cfc5e5f67c368def0387ccb2
[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" "9a0adc512849b0dc251e85056cbeeb5d2db2e744cfc5e5f67c368def0387ccb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0adc512849b0dc251e85056cbeeb5d2db2e744cfc5e5f67c368def0387ccb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0adc512849b0dc251e85056cbeeb5d2db2e744cfc5e5f67c368def0387ccb2", kill_on_drop: false }`
[INFO] [stdout] 9a0adc512849b0dc251e85056cbeeb5d2db2e744cfc5e5f67c368def0387ccb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd5e539f4d0471916e80cd9a948b3071de3c458f69d811261985d91a0e0a47fa
[INFO] running `Command { std: "docker" "start" "-a" "cd5e539f4d0471916e80cd9a948b3071de3c458f69d811261985d91a0e0a47fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling static_assertions v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling c_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.69s
[INFO] running `Command { std: "docker" "inspect" "cd5e539f4d0471916e80cd9a948b3071de3c458f69d811261985d91a0e0a47fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5e539f4d0471916e80cd9a948b3071de3c458f69d811261985d91a0e0a47fa", kill_on_drop: false }`
[INFO] [stdout] cd5e539f4d0471916e80cd9a948b3071de3c458f69d811261985d91a0e0a47fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b105edd55ce1c092217296b640924d93ba18beea0b66f29911d5f32dc50bbc0d
[INFO] running `Command { std: "docker" "start" "-a" "b105edd55ce1c092217296b640924d93ba18beea0b66f29911d5f32dc50bbc0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling c_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "b105edd55ce1c092217296b640924d93ba18beea0b66f29911d5f32dc50bbc0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b105edd55ce1c092217296b640924d93ba18beea0b66f29911d5f32dc50bbc0d", kill_on_drop: false }`
[INFO] [stdout] b105edd55ce1c092217296b640924d93ba18beea0b66f29911d5f32dc50bbc0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a6b6d92ebf7ce52378d1400c70a9d20344fd84bc0b03c9972a0b6ea48adce33
[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" "4a6b6d92ebf7ce52378d1400c70a9d20344fd84bc0b03c9972a0b6ea48adce33", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c_compiler-9fc75530d4678afb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::expression_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a6b6d92ebf7ce52378d1400c70a9d20344fd84bc0b03c9972a0b6ea48adce33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6b6d92ebf7ce52378d1400c70a9d20344fd84bc0b03c9972a0b6ea48adce33", kill_on_drop: false }`
[INFO] [stdout] 4a6b6d92ebf7ce52378d1400c70a9d20344fd84bc0b03c9972a0b6ea48adce33