[INFO] fetching crate fingertrees 0.2.4...
[INFO] checking fingertrees-0.2.4 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[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 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35adfd1a0a2984fbec9519e461038ad54cb534421ea9a5fde9ff4f1626422bbe
[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" "35adfd1a0a2984fbec9519e461038ad54cb534421ea9a5fde9ff4f1626422bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35adfd1a0a2984fbec9519e461038ad54cb534421ea9a5fde9ff4f1626422bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35adfd1a0a2984fbec9519e461038ad54cb534421ea9a5fde9ff4f1626422bbe", kill_on_drop: false }`
[INFO] [stdout] 35adfd1a0a2984fbec9519e461038ad54cb534421ea9a5fde9ff4f1626422bbe
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b4fe904853dc79225b41223752ab7dc3a8ae7a8fb055986b1f25163924bd2d
[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" "f7b4fe904853dc79225b41223752ab7dc3a8ae7a8fb055986b1f25163924bd2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fingertrees v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking criterion v0.3.4
[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 37.60s
[INFO] running `Command { std: "docker" "inspect" "f7b4fe904853dc79225b41223752ab7dc3a8ae7a8fb055986b1f25163924bd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b4fe904853dc79225b41223752ab7dc3a8ae7a8fb055986b1f25163924bd2d", kill_on_drop: false }`
[INFO] [stdout] f7b4fe904853dc79225b41223752ab7dc3a8ae7a8fb055986b1f25163924bd2d