[INFO] fetching crate pin-cell 0.1.1...
[INFO] checking pin-cell-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate pin-cell 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pin-cell 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-cell 0.1.1
[INFO] finished tweaking crates.io crate pin-cell 0.1.1
[INFO] tweaked toml for crates.io crate pin-cell 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c92006e63b7da6dd621263a73ca0b791d4dbe277f13beec92b140ce941cebce
[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" "6c92006e63b7da6dd621263a73ca0b791d4dbe277f13beec92b140ce941cebce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c92006e63b7da6dd621263a73ca0b791d4dbe277f13beec92b140ce941cebce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c92006e63b7da6dd621263a73ca0b791d4dbe277f13beec92b140ce941cebce", kill_on_drop: false }`
[INFO] [stdout] 6c92006e63b7da6dd621263a73ca0b791d4dbe277f13beec92b140ce941cebce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 8eec52423128b8dc73f65ed7ca504a4608e6d45854ba8adbd916da65b0e042d2
[INFO] running `Command { std: "docker" "start" "-a" "8eec52423128b8dc73f65ed7ca504a4608e6d45854ba8adbd916da65b0e042d2", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-cell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(pin, arbitrary_self_types)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-cell`.
[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] [stdout] error: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(pin, arbitrary_self_types)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8eec52423128b8dc73f65ed7ca504a4608e6d45854ba8adbd916da65b0e042d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eec52423128b8dc73f65ed7ca504a4608e6d45854ba8adbd916da65b0e042d2", kill_on_drop: false }`
[INFO] [stdout] 8eec52423128b8dc73f65ed7ca504a4608e6d45854ba8adbd916da65b0e042d2