[INFO] fetching crate histlog 0.1.6...
[INFO] checking histlog-0.1.6 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate histlog 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate histlog 0.1.6 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate histlog 0.1.6
[INFO] finished tweaking crates.io crate histlog 0.1.6
[INFO] tweaked toml for crates.io crate histlog 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] dd2a43580849a7057d9943da17222adf9763c1ff9720684c340fa7465ad57607
[INFO] running `Command { std: "docker" "start" "-a" "dd2a43580849a7057d9943da17222adf9763c1ff9720684c340fa7465ad57607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2a43580849a7057d9943da17222adf9763c1ff9720684c340fa7465ad57607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2a43580849a7057d9943da17222adf9763c1ff9720684c340fa7465ad57607", kill_on_drop: false }`
[INFO] [stdout] dd2a43580849a7057d9943da17222adf9763c1ff9720684c340fa7465ad57607
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 08b4061f6c03e33f917083afd80ca14278b8ab3e4b2f0dd6830221a6f9e1497e
[INFO] running `Command { std: "docker" "start" "-a" "08b4061f6c03e33f917083afd80ca14278b8ab3e4b2f0dd6830221a6f9e1497e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking num-traits v0.2.12
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking histlog v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "08b4061f6c03e33f917083afd80ca14278b8ab3e4b2f0dd6830221a6f9e1497e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b4061f6c03e33f917083afd80ca14278b8ab3e4b2f0dd6830221a6f9e1497e", kill_on_drop: false }`
[INFO] [stdout] 08b4061f6c03e33f917083afd80ca14278b8ab3e4b2f0dd6830221a6f9e1497e