[INFO] cloning repository https://github.com/hellpepper/Dev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hellpepper/Dev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellpepper%2FDev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellpepper%2FDev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d793fbfdca84c34f8f14a668bc0c8cd28288398
[INFO] checking hellpepper/Dev against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellpepper%2FDev" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hellpepper/Dev on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hellpepper/Dev
[INFO] finished tweaking git repo https://github.com/hellpepper/Dev
[INFO] tweaked toml for git repo https://github.com/hellpepper/Dev written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hellpepper/Dev already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-stdlog v1.1.0
[INFO] [stderr]   Downloaded advapi32-sys v0.1.2
[INFO] [stderr]   Downloaded podio v0.1.5
[INFO] [stderr]   Downloaded slog v1.4.0
[INFO] [stderr]   Downloaded slog-term v1.3.4
[INFO] [stderr]   Downloaded mozrunner v0.3.3
[INFO] [stderr]   Downloaded mozprofile v0.2.0
[INFO] [stderr]   Downloaded zip v0.1.19
[INFO] [stderr]   Downloaded slog-atomic v0.4.3
[INFO] [stderr]   Downloaded webdriver v0.18.0
[INFO] [stderr]   Downloaded winreg v0.3.5
[INFO] [stderr]   Downloaded bzip2 v0.3.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.4
[INFO] [stderr]   Downloaded flate2 v0.2.14
[INFO] [stderr]   Downloaded msdos_time v0.1.4
[INFO] [stderr]   Downloaded miniz-sys v0.1.7
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2b8239dfb6dec9e6e7d47421df8268ed294317943ce592f9455064a68e00784
[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" "d2b8239dfb6dec9e6e7d47421df8268ed294317943ce592f9455064a68e00784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2b8239dfb6dec9e6e7d47421df8268ed294317943ce592f9455064a68e00784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b8239dfb6dec9e6e7d47421df8268ed294317943ce592f9455064a68e00784", kill_on_drop: false }`
[INFO] [stdout] d2b8239dfb6dec9e6e7d47421df8268ed294317943ce592f9455064a68e00784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15cb6b7f5be140dd6b0e972594a2fb38a5d532b7bb34838d58e3771833e6c58e
[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" "15cb6b7f5be140dd6b0e972594a2fb38a5d532b7bb34838d58e3771833e6c58e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking slog v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.4.0/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `SyncSerialize`
[INFO] [stdout] ...
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "15cb6b7f5be140dd6b0e972594a2fb38a5d532b7bb34838d58e3771833e6c58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cb6b7f5be140dd6b0e972594a2fb38a5d532b7bb34838d58e3771833e6c58e", kill_on_drop: false }`
[INFO] [stdout] 15cb6b7f5be140dd6b0e972594a2fb38a5d532b7bb34838d58e3771833e6c58e