[INFO] fetching crate duplicate-kriller 1.4.1...
[INFO] checking duplicate-kriller-1.4.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate duplicate-kriller 1.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate duplicate-kriller 1.4.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duplicate-kriller 1.4.1
[INFO] finished tweaking crates.io crate duplicate-kriller 1.4.1
[INFO] tweaked toml for crates.io crate duplicate-kriller 1.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01ecfb35c5c375642d3afbdacfc79ec3388ba1d3cac4a485247d15fc1381e4be
[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" "01ecfb35c5c375642d3afbdacfc79ec3388ba1d3cac4a485247d15fc1381e4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01ecfb35c5c375642d3afbdacfc79ec3388ba1d3cac4a485247d15fc1381e4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ecfb35c5c375642d3afbdacfc79ec3388ba1d3cac4a485247d15fc1381e4be", kill_on_drop: false }`
[INFO] [stdout] 01ecfb35c5c375642d3afbdacfc79ec3388ba1d3cac4a485247d15fc1381e4be
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 576cb3235dcdba9e90e75e9d7cefe8f129cd49e8ce59203c9b8e0a8984c2c3e3
[INFO] running `Command { std: "docker" "start" "-a" "576cb3235dcdba9e90e75e9d7cefe8f129cd49e8ce59203c9b8e0a8984c2c3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking dupe-krill v1.4.5
[INFO] [stderr]     Checking duplicate-kriller v1.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 | static CTRL_C_BREAKS: AtomicUsize = std::sync::atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 | static CTRL_C_BREAKS: AtomicUsize = std::sync::atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |     s.settings.break_on = Some(&CTRL_C_BREAKS);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ expected struct `std::sync::atomic::AtomicU32`, found struct `std::sync::atomic::AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::sync::atomic::AtomicU32`
[INFO] [stdout]               found reference `&std::sync::atomic::AtomicUsize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/bin.rs:84:72
[INFO] [stdout]    |
[INFO] [stdout] 84 |             writeln!(&mut std::io::stderr(), "Error: {}; {}", err, err.description()).unwrap();
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |     s.settings.break_on = Some(&CTRL_C_BREAKS);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ expected struct `std::sync::atomic::AtomicU32`, found struct `std::sync::atomic::AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::sync::atomic::AtomicU32`
[INFO] [stdout]               found reference `&std::sync::atomic::AtomicUsize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/bin.rs:84:72
[INFO] [stdout]    |
[INFO] [stdout] 84 |             writeln!(&mut std::io::stderr(), "Error: {}; {}", err, err.description()).unwrap();
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `duplicate-kriller`.
[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" "576cb3235dcdba9e90e75e9d7cefe8f129cd49e8ce59203c9b8e0a8984c2c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576cb3235dcdba9e90e75e9d7cefe8f129cd49e8ce59203c9b8e0a8984c2c3e3", kill_on_drop: false }`
[INFO] [stdout] 576cb3235dcdba9e90e75e9d7cefe8f129cd49e8ce59203c9b8e0a8984c2c3e3