[INFO] fetching crate log_hal 0.1.0...
[INFO] testing log_hal-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate log_hal 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate log_hal 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log_hal 0.1.0
[INFO] finished tweaking crates.io crate log_hal 0.1.0
[INFO] tweaked toml for crates.io crate log_hal 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a89c9e0d85f3c8b584bc3ee253b0f5fb07bb6cb9a783a75e22653e0ae693c31
[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" "3a89c9e0d85f3c8b584bc3ee253b0f5fb07bb6cb9a783a75e22653e0ae693c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a89c9e0d85f3c8b584bc3ee253b0f5fb07bb6cb9a783a75e22653e0ae693c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a89c9e0d85f3c8b584bc3ee253b0f5fb07bb6cb9a783a75e22653e0ae693c31", kill_on_drop: false }`
[INFO] [stdout] 3a89c9e0d85f3c8b584bc3ee253b0f5fb07bb6cb9a783a75e22653e0ae693c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf88f29f73a7777c6e5ae3d91df09fbd314616a8b0121df88c98ae7803f0f79
[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" "edf88f29f73a7777c6e5ae3d91df09fbd314616a8b0121df88c98ae7803f0f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling log_hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "edf88f29f73a7777c6e5ae3d91df09fbd314616a8b0121df88c98ae7803f0f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf88f29f73a7777c6e5ae3d91df09fbd314616a8b0121df88c98ae7803f0f79", kill_on_drop: false }`
[INFO] [stdout] edf88f29f73a7777c6e5ae3d91df09fbd314616a8b0121df88c98ae7803f0f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f710596c5170162920b2978d1214cfcd38f2420fe81b54837c7a3b95a5be4ee0
[INFO] running `Command { std: "docker" "start" "-a" "f710596c5170162920b2978d1214cfcd38f2420fe81b54837c7a3b95a5be4ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling log_hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `log` has an incompatible type for trait
[INFO] [stdout]   --> tests/logstd.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn log(&self, level: Level, args: Arguments) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&Arguments<'_>`, found struct `Arguments`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&LogStd, Level, &Arguments<'_>)`
[INFO] [stdout]               found fn pointer `fn(&LogStd, Level, Arguments<'_>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/logstd.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     logger.debug(format_args!("{}", "hello"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected `&Arguments<'_>`, found struct `Arguments`
[INFO] [stdout]    |                  help: consider borrowing here: `&format_args!("{}", "hello")`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log_hal`
[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" "f710596c5170162920b2978d1214cfcd38f2420fe81b54837c7a3b95a5be4ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f710596c5170162920b2978d1214cfcd38f2420fe81b54837c7a3b95a5be4ee0", kill_on_drop: false }`
[INFO] [stdout] f710596c5170162920b2978d1214cfcd38f2420fe81b54837c7a3b95a5be4ee0