[INFO] fetching crate cancellation 0.1.0...
[INFO] checking cancellation-0.1.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate cancellation 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cancellation 0.1.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cancellation 0.1.0
[INFO] finished tweaking crates.io crate cancellation 0.1.0
[INFO] tweaked toml for crates.io crate cancellation 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed061e278264fabcf133dc00970f57fbffc9c3a4ff3525ca8b06e4b97589356
[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" "fed061e278264fabcf133dc00970f57fbffc9c3a4ff3525ca8b06e4b97589356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed061e278264fabcf133dc00970f57fbffc9c3a4ff3525ca8b06e4b97589356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed061e278264fabcf133dc00970f57fbffc9c3a4ff3525ca8b06e4b97589356", kill_on_drop: false }`
[INFO] [stdout] fed061e278264fabcf133dc00970f57fbffc9c3a4ff3525ca8b06e4b97589356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99238cfd0aa64ece3777e9955a6301a7d26ebbfd7b76717c2c2ef1e59b6d3bdf
[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" "99238cfd0aa64ece3777e9955a6301a7d26ebbfd7b76717c2c2ef1e59b6d3bdf", kill_on_drop: false }`
[INFO] [stderr]     Checking cancellation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |     on_cancel: &'a mut (FnOnceOption + Send + 'a),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnceOption + Send + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:330:37
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 on_cancel: &'a mut (FnOnceOption + Send + 'a),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnceOption + Send + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |     on_cancel: &'a mut (FnOnceOption + Send + 'a),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnceOption + Send + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:330:37
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 on_cancel: &'a mut (FnOnceOption + Send + 'a),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnceOption + Send + 'a`
[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]   --> lib.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[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]    --> lib.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |     status: ATOMIC_USIZE_INIT, //AtomicUsize::new(STATUS_CANNOT_BE_CANCELED),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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]    --> lib.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |         f.write_str(error::Error::description(self))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> lib.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[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]    --> lib.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |     status: ATOMIC_USIZE_INIT, //AtomicUsize::new(STATUS_CANNOT_BE_CANCELED),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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]    --> lib.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |         f.write_str(error::Error::description(self))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "99238cfd0aa64ece3777e9955a6301a7d26ebbfd7b76717c2c2ef1e59b6d3bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99238cfd0aa64ece3777e9955a6301a7d26ebbfd7b76717c2c2ef1e59b6d3bdf", kill_on_drop: false }`
[INFO] [stdout] 99238cfd0aa64ece3777e9955a6301a7d26ebbfd7b76717c2c2ef1e59b6d3bdf