[INFO] cloning repository https://github.com/elysium-suite/chiron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elysium-suite/chiron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felysium-suite%2Fchiron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felysium-suite%2Fchiron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b94769b8ea006d9282177d3b1d2a215399cc5eb
[INFO] checking elysium-suite/chiron against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felysium-suite%2Fchiron" "/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/elysium-suite/chiron on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elysium-suite/chiron
[INFO] finished tweaking git repo https://github.com/elysium-suite/chiron
[INFO] tweaked toml for git repo https://github.com/elysium-suite/chiron written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/elysium-suite/chiron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a68b740e7d7cdf3882d60de69e90e78ed55b8ab384607835fa230d9881582a2
[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" "5a68b740e7d7cdf3882d60de69e90e78ed55b8ab384607835fa230d9881582a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a68b740e7d7cdf3882d60de69e90e78ed55b8ab384607835fa230d9881582a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a68b740e7d7cdf3882d60de69e90e78ed55b8ab384607835fa230d9881582a2", kill_on_drop: false }`
[INFO] [stdout] 5a68b740e7d7cdf3882d60de69e90e78ed55b8ab384607835fa230d9881582a2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c63e9e48dcb2ea5efb3da73c2350ac68c2c77fd35290de27efa0691e91187911
[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" "c63e9e48dcb2ea5efb3da73c2350ac68c2c77fd35290de27efa0691e91187911", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking procfs v0.9.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking chiron v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/trace/linux.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn check_trace() -> Result<bool> {
[INFO] [stdout]   |                                ------------ expected `std::result::Result<bool, anyhow::Error>` because of return type
[INFO] [stdout] 5 |     let status = Process::myself()?.status()?;
[INFO] [stdout] 6 |     status.tracerpid != 0
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected enum `std::result::Result`, found `bool`
[INFO] [stdout]   |     help: try using a variant of the expected enum: `Ok(status.tracerpid != 0)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected enum `std::result::Result<bool, anyhow::Error>`
[INFO] [stdout]              found type `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/trace/linux.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn check_trace() -> Result<bool> {
[INFO] [stdout]   |                                ------------ expected `std::result::Result<bool, anyhow::Error>` because of return type
[INFO] [stdout] 5 |     let status = Process::myself()?.status()?;
[INFO] [stdout] 6 |     status.tracerpid != 0
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected enum `std::result::Result`, found `bool`
[INFO] [stdout]   |     help: try using a variant of the expected enum: `Ok(status.tracerpid != 0)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected enum `std::result::Result<bool, anyhow::Error>`
[INFO] [stdout]              found type `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chiron`
[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" "c63e9e48dcb2ea5efb3da73c2350ac68c2c77fd35290de27efa0691e91187911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63e9e48dcb2ea5efb3da73c2350ac68c2c77fd35290de27efa0691e91187911", kill_on_drop: false }`
[INFO] [stdout] c63e9e48dcb2ea5efb3da73c2350ac68c2c77fd35290de27efa0691e91187911