[INFO] fetching crate barc 2.2.2...
[INFO] checking barc-2.2.2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate barc 2.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate barc 2.2.2
[INFO] finished tweaking crates.io crate barc 2.2.2
[INFO] tweaked toml for crates.io crate barc 2.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate barc 2.2.2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding brotli v3.3.4 (available: v3.5.0)
[INFO] [stderr]       Adding brotli-decompressor v2.3.5 (available: v2.5.1)
[INFO] [stderr]       Adding bytes v1.1.0 (available: v1.11.1)
[INFO] [stderr]       Adding flate2 v1.0.35 (available: v1.1.9)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding httparse v1.4.1 (available: v1.10.1)
[INFO] [stderr]       Adding log v0.4.14 (available: v0.4.29)
[INFO] [stderr]       Adding remove_dir_all v0.5.2 (available: v0.5.3)
[INFO] [stderr]       Adding tempfile v3.2.0 (available: v3.27.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c209a3bb6fea9997bc8406591a349062fd470ecc6c88d1aecb8c84c22f9ad7b
[INFO] running `Command { std: "docker" "start" "-a" "3c209a3bb6fea9997bc8406591a349062fd470ecc6c88d1aecb8c84c22f9ad7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c209a3bb6fea9997bc8406591a349062fd470ecc6c88d1aecb8c84c22f9ad7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c209a3bb6fea9997bc8406591a349062fd470ecc6c88d1aecb8c84c22f9ad7b", kill_on_drop: false }`
[INFO] [stdout] 3c209a3bb6fea9997bc8406591a349062fd470ecc6c88d1aecb8c84c22f9ad7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 028ee4d1198b095dbacf9cff75130eaa25e3847caee4c8416181af809fe493bf
[INFO] running `Command { std: "docker" "start" "-a" "028ee4d1198b095dbacf9cff75130eaa25e3847caee4c8416181af809fe493bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling olio v1.4.0
[INFO] [stderr]    Compiling tao-log v1.0.1
[INFO] [stderr]    Compiling body-image v2.2.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling barc v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling piccolog v1.0.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking brotli-decompressor v2.3.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> build.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", allow(clippy::all))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `brotli`, `brotli-decompressor`, `default`, `memmap`, and `mmap`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "028ee4d1198b095dbacf9cff75130eaa25e3847caee4c8416181af809fe493bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028ee4d1198b095dbacf9cff75130eaa25e3847caee4c8416181af809fe493bf", kill_on_drop: false }`
[INFO] [stdout] 028ee4d1198b095dbacf9cff75130eaa25e3847caee4c8416181af809fe493bf
