[INFO] fetching crate hdrhistogram 7.5.0...
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] crate hdrhistogram 7.5.0 is already in cache
[INFO] checking hdrhistogram-7.5.0 against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880
[INFO] extracting crate hdrhistogram 7.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hdrhistogram 7.5.0 on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hdrhistogram 7.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hdrhistogram 7.5.0
[INFO] tweaked toml for crates.io crate hdrhistogram 7.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hdrhistogram 7.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b978be786a66ff4d2cb833a266443642c9e094523961503781608a92147f6e
[INFO] running `Command { std: "docker" "start" "-a" "d3b978be786a66ff4d2cb833a266443642c9e094523961503781608a92147f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b978be786a66ff4d2cb833a266443642c9e094523961503781608a92147f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b978be786a66ff4d2cb833a266443642c9e094523961503781608a92147f6e", kill_on_drop: false }`
[INFO] [stdout] d3b978be786a66ff4d2cb833a266443642c9e094523961503781608a92147f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d989f97db16f01df5615cd165c14c4254452f877e1b4a0d01790fb5ed475920
[INFO] running `Command { std: "docker" "start" "-a" "7d989f97db16f01df5615cd165c14c4254452f877e1b4a0d01790fb5ed475920", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.15.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking clap v3.0.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking hdrhistogram v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 51s
[INFO] running `Command { std: "docker" "inspect" "7d989f97db16f01df5615cd165c14c4254452f877e1b4a0d01790fb5ed475920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d989f97db16f01df5615cd165c14c4254452f877e1b4a0d01790fb5ed475920", kill_on_drop: false }`
[INFO] [stdout] 7d989f97db16f01df5615cd165c14c4254452f877e1b4a0d01790fb5ed475920