[INFO] fetching crate fingertrees 0.2.4...
[INFO] checking fingertrees-0.2.4 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate fingertrees 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fingertrees 0.2.4 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fingertrees 0.2.4
[INFO] finished tweaking crates.io crate fingertrees 0.2.4
[INFO] tweaked toml for crates.io crate fingertrees 0.2.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] d260c0bc95a1de9561eb403427bddf83c672b1c660c1f789772f79d606f32310
[INFO] running `Command { std: "docker" "start" "-a" "d260c0bc95a1de9561eb403427bddf83c672b1c660c1f789772f79d606f32310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d260c0bc95a1de9561eb403427bddf83c672b1c660c1f789772f79d606f32310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d260c0bc95a1de9561eb403427bddf83c672b1c660c1f789772f79d606f32310", kill_on_drop: false }`
[INFO] [stdout] d260c0bc95a1de9561eb403427bddf83c672b1c660c1f789772f79d606f32310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f35a00765fb2af6cbeb5416ed1b6a0d12f7a707a45019612069dc1c7f2d86a2
[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" "4f35a00765fb2af6cbeb5416ed1b6a0d12f7a707a45019612069dc1c7f2d86a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking fingertrees v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-utils v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/criterion.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     c.bench_function_over_inputs(
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/criterion.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     c.bench_function_over_inputs(
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/criterion.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |     c.bench_function_over_inputs(
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench_functions`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/criterion.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |     c.bench_functions(
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench_functions`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/criterion.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 |     c.bench_functions(
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.46s
[INFO] running `Command { std: "docker" "inspect" "4f35a00765fb2af6cbeb5416ed1b6a0d12f7a707a45019612069dc1c7f2d86a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f35a00765fb2af6cbeb5416ed1b6a0d12f7a707a45019612069dc1c7f2d86a2", kill_on_drop: false }`
[INFO] [stdout] 4f35a00765fb2af6cbeb5416ed1b6a0d12f7a707a45019612069dc1c7f2d86a2