[INFO] fetching crate functiontrace-server 0.3.5...
[INFO] checking functiontrace-server-0.3.5 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate functiontrace-server 0.3.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate functiontrace-server 0.3.5 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate functiontrace-server 0.3.5
[INFO] finished tweaking crates.io crate functiontrace-server 0.3.5
[INFO] tweaked toml for crates.io crate functiontrace-server 0.3.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate functiontrace-server 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 72779a25421fbcc93fcc87b64f1014fe9d33f1f34b7d38aa8b7fe9b59ebe2f6d
[INFO] running `Command { std: "docker" "start" "-a" "72779a25421fbcc93fcc87b64f1014fe9d33f1f34b7d38aa8b7fe9b59ebe2f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72779a25421fbcc93fcc87b64f1014fe9d33f1f34b7d38aa8b7fe9b59ebe2f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72779a25421fbcc93fcc87b64f1014fe9d33f1f34b7d38aa8b7fe9b59ebe2f6d", kill_on_drop: false }`
[INFO] [stdout] 72779a25421fbcc93fcc87b64f1014fe9d33f1f34b7d38aa8b7fe9b59ebe2f6d
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0b1afc4b56b04f944fbdf0a8abb076da72d66c26b3ac3d62720c3f42ce1fd1
[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" "cd0b1afc4b56b04f944fbdf0a8abb076da72d66c26b3ac3d62720c3f42ce1fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.0
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking functiontrace-server v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `GarbageCollection`
[INFO] [stdout]   --> src/profile_generator.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     GarbageCollection,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GarbageCollection`
[INFO] [stdout]   --> src/profile_generator.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     GarbageCollection,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "cd0b1afc4b56b04f944fbdf0a8abb076da72d66c26b3ac3d62720c3f42ce1fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0b1afc4b56b04f944fbdf0a8abb076da72d66c26b3ac3d62720c3f42ce1fd1", kill_on_drop: false }`
[INFO] [stdout] cd0b1afc4b56b04f944fbdf0a8abb076da72d66c26b3ac3d62720c3f42ce1fd1