[INFO] fetching crate ringbuffer 0.7.1...
[INFO] checking ringbuffer-0.7.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate ringbuffer 0.7.1 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate ringbuffer 0.7.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbuffer 0.7.1
[INFO] finished tweaking crates.io crate ringbuffer 0.7.1
[INFO] tweaked toml for crates.io crate ringbuffer 0.7.1 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded cast v0.1.0
[INFO] [stderr]   Downloaded simplelog v0.4.4
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded criterion-plot v0.1.3
[INFO] [stderr]   Downloaded criterion v0.1.2
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded criterion-stats v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87e4737583bda060f75748bf2f30c18614701af34cb880e33be70755a758d901
[INFO] running `Command { std: "docker" "start" "-a" "87e4737583bda060f75748bf2f30c18614701af34cb880e33be70755a758d901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e4737583bda060f75748bf2f30c18614701af34cb880e33be70755a758d901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e4737583bda060f75748bf2f30c18614701af34cb880e33be70755a758d901", kill_on_drop: false }`
[INFO] [stdout] 87e4737583bda060f75748bf2f30c18614701af34cb880e33be70755a758d901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e7dda37f2e9b0e03bfb9be5f4ce0f44d711d00700184c3302804c6ab6290b44
[INFO] running `Command { std: "docker" "start" "-a" "3e7dda37f2e9b0e03bfb9be5f4ce0f44d711d00700184c3302804c6ab6290b44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ringbuffer v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "3e7dda37f2e9b0e03bfb9be5f4ce0f44d711d00700184c3302804c6ab6290b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7dda37f2e9b0e03bfb9be5f4ce0f44d711d00700184c3302804c6ab6290b44", kill_on_drop: false }`
[INFO] [stdout] 3e7dda37f2e9b0e03bfb9be5f4ce0f44d711d00700184c3302804c6ab6290b44