[INFO] fetching crate atomic_refcell_try 0.2.0...
[INFO] checking atomic_refcell_try-0.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate atomic_refcell_try 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate atomic_refcell_try 0.2.0 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 atomic_refcell_try 0.2.0
[INFO] finished tweaking crates.io crate atomic_refcell_try 0.2.0
[INFO] tweaked toml for crates.io crate atomic_refcell_try 0.2.0 written to /workspace/builds/worker-6/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08984fc564c72b3d6967515f4d4f3a586233996589aafa4acb1fd4947054eef3
[INFO] running `Command { std: "docker" "start" "-a" "08984fc564c72b3d6967515f4d4f3a586233996589aafa4acb1fd4947054eef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08984fc564c72b3d6967515f4d4f3a586233996589aafa4acb1fd4947054eef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08984fc564c72b3d6967515f4d4f3a586233996589aafa4acb1fd4947054eef3", kill_on_drop: false }`
[INFO] [stdout] 08984fc564c72b3d6967515f4d4f3a586233996589aafa4acb1fd4947054eef3
[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" "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] f76684c870fcdc21d1338388139cda7a1ad4295d704148103348e4fdb64d25a2
[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" "f76684c870fcdc21d1338388139cda7a1ad4295d704148103348e4fdb64d25a2", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic_refcell_try v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `atomic_refcell`
[INFO] [stdout]  --> tests/basic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate atomic_refcell;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `atomic_refcell`
[INFO] [stdout]  --> benches/basic.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate atomic_refcell;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic_refcell_try`
[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" "f76684c870fcdc21d1338388139cda7a1ad4295d704148103348e4fdb64d25a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76684c870fcdc21d1338388139cda7a1ad4295d704148103348e4fdb64d25a2", kill_on_drop: false }`
[INFO] [stdout] f76684c870fcdc21d1338388139cda7a1ad4295d704148103348e4fdb64d25a2