[INFO] fetching crate lz4_flex 0.8.2...
[INFO] checking lz4_flex-0.8.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate lz4_flex 0.8.2 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate lz4_flex 0.8.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lz4_flex 0.8.2
[INFO] finished tweaking crates.io crate lz4_flex 0.8.2
[INFO] tweaked toml for crates.io crate lz4_flex 0.8.2 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate lz4_flex 0.8.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9fb46769b796b408ee2fc99ca5b19044aa098da1773b6ea632154628ff01855
[INFO] running `Command { std: "docker" "start" "-a" "d9fb46769b796b408ee2fc99ca5b19044aa098da1773b6ea632154628ff01855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9fb46769b796b408ee2fc99ca5b19044aa098da1773b6ea632154628ff01855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fb46769b796b408ee2fc99ca5b19044aa098da1773b6ea632154628ff01855", kill_on_drop: false }`
[INFO] [stdout] d9fb46769b796b408ee2fc99ca5b19044aa098da1773b6ea632154628ff01855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442c48683bc30d4528913b9387e7ac867fd92cbb689831a142907235a6dcb439
[INFO] running `Command { std: "docker" "start" "-a" "442c48683bc30d4528913b9387e7ac867fd92cbb689831a142907235a6dcb439", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lz4-compress v0.1.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking lz4_flex v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling lzzzz v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error: couldn't read benches/crit_bench.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lz4_flex` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "442c48683bc30d4528913b9387e7ac867fd92cbb689831a142907235a6dcb439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442c48683bc30d4528913b9387e7ac867fd92cbb689831a142907235a6dcb439", kill_on_drop: false }`
[INFO] [stdout] 442c48683bc30d4528913b9387e7ac867fd92cbb689831a142907235a6dcb439