[INFO] fetching crate bytecount 0.6.2...
[INFO] checking bytecount-0.6.2 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate bytecount 0.6.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bytecount 0.6.2 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytecount 0.6.2
[INFO] finished tweaking crates.io crate bytecount 0.6.2
[INFO] tweaked toml for crates.io crate bytecount 0.6.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14fbbe6f91d7170b0e269e9f18243810e48d9e07f0b5e5c4c9c2a98ec43bbfba
[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" "14fbbe6f91d7170b0e269e9f18243810e48d9e07f0b5e5c4c9c2a98ec43bbfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14fbbe6f91d7170b0e269e9f18243810e48d9e07f0b5e5c4c9c2a98ec43bbfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fbbe6f91d7170b0e269e9f18243810e48d9e07f0b5e5c4c9c2a98ec43bbfba", kill_on_drop: false }`
[INFO] [stdout] 14fbbe6f91d7170b0e269e9f18243810e48d9e07f0b5e5c4c9c2a98ec43bbfba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f1ae5d3cce31e2ee7f82c3eca8d2049ea965ca0cb86670200baada9dca997a1
[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" "7f1ae5d3cce31e2ee7f82c3eca8d2049ea965ca0cb86670200baada9dca997a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytecount v0.6.2 (/opt/rustwide/workdir)
[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]    Compiling quote v1.0.9
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead.
[INFO] [stdout]  --> benches/bench.rs:9:37
[INFO] [stdout]   |
[INFO] [stdout] 9 | use criterion::{Bencher, Criterion, ParameterizedBenchmark};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/bench.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         ParameterizedBenchmark::new("naive", naive, counts)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/bench.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         ParameterizedBenchmark::new("naive", naive, counts)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/bench.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     criterion.bench("counts",
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `criterion::Criterion::<M>::bench`: Please use BenchmarkGroups instead.
[INFO] [stdout]   --> benches/bench.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 |     criterion.bench("num_chars",
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.27s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f1ae5d3cce31e2ee7f82c3eca8d2049ea965ca0cb86670200baada9dca997a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1ae5d3cce31e2ee7f82c3eca8d2049ea965ca0cb86670200baada9dca997a1", kill_on_drop: false }`
[INFO] [stdout] 7f1ae5d3cce31e2ee7f82c3eca8d2049ea965ca0cb86670200baada9dca997a1