[INFO] fetching crate rustbitmap 0.1.0...
[INFO] checking rustbitmap-0.1.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate rustbitmap 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustbitmap 0.1.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustbitmap 0.1.0
[INFO] finished tweaking crates.io crate rustbitmap 0.1.0
[INFO] tweaked toml for crates.io crate rustbitmap 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rustbitmap 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 602537adb4f23c18a2f4ef68a40dfbc58d46090e8c3f97353105f81150208b1e
[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" "602537adb4f23c18a2f4ef68a40dfbc58d46090e8c3f97353105f81150208b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602537adb4f23c18a2f4ef68a40dfbc58d46090e8c3f97353105f81150208b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602537adb4f23c18a2f4ef68a40dfbc58d46090e8c3f97353105f81150208b1e", kill_on_drop: false }`
[INFO] [stdout] 602537adb4f23c18a2f4ef68a40dfbc58d46090e8c3f97353105f81150208b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--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] 0c3ae0b1c7f9d89c710723b41f28aa2c117b0a15cd86ae71b81ee9bc674897aa
[INFO] running `Command { std: "docker" "start" "-a" "0c3ae0b1c7f9d89c710723b41f28aa2c117b0a15cd86ae71b81ee9bc674897aa", kill_on_drop: false }`
[INFO] [stderr]     Checking rustbitmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/bitmap/image.rs:255:69
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     format!("Couldn't create {}: {}", filename, why.description()).to_owned(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/bitmap/image.rs:262:71
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 Err(format!("Couldn't write to {}: {}", filename, why.description()).to_owned())
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/bitmap/image.rs:255:69
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     format!("Couldn't create {}: {}", filename, why.description()).to_owned(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/bitmap/image.rs:262:71
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 Err(format!("Couldn't write to {}: {}", filename, why.description()).to_owned())
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "0c3ae0b1c7f9d89c710723b41f28aa2c117b0a15cd86ae71b81ee9bc674897aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3ae0b1c7f9d89c710723b41f28aa2c117b0a15cd86ae71b81ee9bc674897aa", kill_on_drop: false }`
[INFO] [stdout] 0c3ae0b1c7f9d89c710723b41f28aa2c117b0a15cd86ae71b81ee9bc674897aa