[INFO] fetching crate libcgroups 0.6.0...
[INFO] checking libcgroups-0.6.0 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] extracting crate libcgroups 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate libcgroups 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libcgroups 0.6.0
[INFO] tweaked toml for crates.io crate libcgroups 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcgroups 0.6.0 on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libcgroups 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02d6a90b5d5bc3d33238df56daba6757e62444dd90a0ac69d5e28978df7722ef
[INFO] running `Command { std: "docker" "start" "-a" "02d6a90b5d5bc3d33238df56daba6757e62444dd90a0ac69d5e28978df7722ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d6a90b5d5bc3d33238df56daba6757e62444dd90a0ac69d5e28978df7722ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d6a90b5d5bc3d33238df56daba6757e62444dd90a0ac69d5e28978df7722ef", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75878f40420266c42a2c55afb5069ede626045460ef64ee7d47adc0b94126ffa
[INFO] running `Command { std: "docker" "start" "-a" "75878f40420266c42a2c55afb5069ede626045460ef64ee7d47adc0b94126ffa", kill_on_drop: false }`
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[INFO] [stderr]     Checking libcgroups v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]   --> src/systemd/pids.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^---^
[INFO] [stdout]    |                            |       |
[INFO] [stdout]    |                            |       any code following this expression is unreachable
[INFO] [stdout]    |                            unreachable arm
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/systemd/pids.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]   --> src/systemd/pids.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^---^
[INFO] [stdout]    |                            |       |
[INFO] [stdout]    |                            |       any code following this expression is unreachable
[INFO] [stdout]    |                            unreachable arm
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/systemd/pids.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]    --> src/systemd/pids.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]     |                            ^^^^^^^^---^
[INFO] [stdout]     |                            |       |
[INFO] [stdout]     |                            |       any code following this expression is unreachable
[INFO] [stdout]     |                            unreachable arm
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/systemd/pids.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]     |                            ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcgroups` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "75878f40420266c42a2c55afb5069ede626045460ef64ee7d47adc0b94126ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75878f40420266c42a2c55afb5069ede626045460ef64ee7d47adc0b94126ffa", kill_on_drop: false }`
[INFO] [stdout] 75878f40420266c42a2c55afb5069ede626045460ef64ee7d47adc0b94126ffa
