[INFO] cloning repository https://github.com/neonphog/cargo-task
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neonphog/cargo-task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonphog%2Fcargo-task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonphog%2Fcargo-task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffb3aad275e8edc3d71ab34efaeb39480d329c8a
[INFO] checking neonphog/cargo-task against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonphog%2Fcargo-task" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neonphog/cargo-task on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neonphog/cargo-task
[INFO] finished tweaking git repo https://github.com/neonphog/cargo-task
[INFO] tweaked toml for git repo https://github.com/neonphog/cargo-task written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/neonphog/cargo-task already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b965d4a5e7c243e20ac3bc96f37b3d27497e642a7b5c2bfd65c073b1dde273c8
[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" "b965d4a5e7c243e20ac3bc96f37b3d27497e642a7b5c2bfd65c073b1dde273c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b965d4a5e7c243e20ac3bc96f37b3d27497e642a7b5c2bfd65c073b1dde273c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b965d4a5e7c243e20ac3bc96f37b3d27497e642a7b5c2bfd65c073b1dde273c8", kill_on_drop: false }`
[INFO] [stdout] b965d4a5e7c243e20ac3bc96f37b3d27497e642a7b5c2bfd65c073b1dde273c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 91e365db45b819e154fd1163de47e2883727bba072a93bd02f92c0989d6ecef0
[INFO] running `Command { std: "docker" "start" "-a" "91e365db45b819e154fd1163de47e2883727bba072a93bd02f92c0989d6ecef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-task v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0453]: allow(unused_unsafe) incompatible with previous forbid
[INFO] [stdout]    --> src/_cargo_task_util.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | / thread_local! {
[INFO] [stdout] 237 | |     static CT_ENV: std::sync::Mutex<Rc<CTEnv>> = std::sync::Mutex::new(priv_new_env());
[INFO] [stdout] 238 | | }
[INFO] [stdout]     | |_^ overruled by previous forbid
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:3:11
[INFO] [stdout]     |
[INFO] [stdout] 3   |   #![forbid(warnings)]
[INFO] [stdout]     |             -------- `forbid` level set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unused_unsafe) incompatible with previous forbid
[INFO] [stdout]    --> src/_cargo_task_util.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | / thread_local! {
[INFO] [stdout] 237 | |     static CT_ENV: std::sync::Mutex<Rc<CTEnv>> = std::sync::Mutex::new(priv_new_env());
[INFO] [stdout] 238 | | }
[INFO] [stdout]     | |_^ overruled by previous forbid
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:3:11
[INFO] [stdout]     |
[INFO] [stdout] 3   |   #![forbid(warnings)]
[INFO] [stdout]     |             -------- `forbid` level set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-task`
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "91e365db45b819e154fd1163de47e2883727bba072a93bd02f92c0989d6ecef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e365db45b819e154fd1163de47e2883727bba072a93bd02f92c0989d6ecef0", kill_on_drop: false }`
[INFO] [stdout] 91e365db45b819e154fd1163de47e2883727bba072a93bd02f92c0989d6ecef0