[INFO] fetching crate ctrs 1.0.2...
[INFO] checking ctrs-1.0.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ctrs 1.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ctrs 1.0.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctrs 1.0.2
[INFO] finished tweaking crates.io crate ctrs 1.0.2
[INFO] tweaked toml for crates.io crate ctrs 1.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c8b6b319aad34544deb3afb5ab7b8ae1749a6f2297b8e3d5b2882772c0d6048
[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" "4c8b6b319aad34544deb3afb5ab7b8ae1749a6f2297b8e3d5b2882772c0d6048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c8b6b319aad34544deb3afb5ab7b8ae1749a6f2297b8e3d5b2882772c0d6048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8b6b319aad34544deb3afb5ab7b8ae1749a6f2297b8e3d5b2882772c0d6048", kill_on_drop: false }`
[INFO] [stdout] 4c8b6b319aad34544deb3afb5ab7b8ae1749a6f2297b8e3d5b2882772c0d6048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d64b5a95788ffb79bebe84e0fec0d7b873849f125064add76015975421e819a
[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" "6d64b5a95788ffb79bebe84e0fec0d7b873849f125064add76015975421e819a", kill_on_drop: false }`
[INFO] [stderr]     Checking ctrs v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:141:70
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compose<F: 'static, G: 'static, Fv, Gv, V>(f: F, g: G) -> Box<Fn(Fv) -> V>
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Fv) -> V`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:141:70
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compose<F: 'static, G: 'static, Fv, Gv, V>(f: F, g: G) -> Box<Fn(Fv) -> V>
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Fv) -> V`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6d64b5a95788ffb79bebe84e0fec0d7b873849f125064add76015975421e819a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d64b5a95788ffb79bebe84e0fec0d7b873849f125064add76015975421e819a", kill_on_drop: false }`
[INFO] [stdout] 6d64b5a95788ffb79bebe84e0fec0d7b873849f125064add76015975421e819a