[INFO] fetching crate compress-tools 0.7.1...
[INFO] checking compress-tools-0.7.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate compress-tools 0.7.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate compress-tools 0.7.1 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 compress-tools 0.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate compress-tools 0.7.1
[INFO] tweaked toml for crates.io crate compress-tools 0.7.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate compress-tools 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded futures-lite v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] c6e0a8e8b215191556adc281eb6d886e5f69daf0a7d985f2b850a987368244fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6e0a8e8b215191556adc281eb6d886e5f69daf0a7d985f2b850a987368244fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6e0a8e8b215191556adc281eb6d886e5f69daf0a7d985f2b850a987368244fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e0a8e8b215191556adc281eb6d886e5f69daf0a7d985f2b850a987368244fb", kill_on_drop: false }`
[INFO] [stdout] c6e0a8e8b215191556adc281eb6d886e5f69daf0a7d985f2b850a987368244fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 38852948f5ff1795a0393dd6455d0cc558e1e6ae17fae78c35a2bb7967445eef
[INFO] running `Command { std: "docker" "start" "-a" "38852948f5ff1795a0393dd6455d0cc558e1e6ae17fae78c35a2bb7967445eef", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling compress-tools v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking polling v0.1.9
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.47s
[INFO] running `Command { std: "docker" "inspect" "38852948f5ff1795a0393dd6455d0cc558e1e6ae17fae78c35a2bb7967445eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38852948f5ff1795a0393dd6455d0cc558e1e6ae17fae78c35a2bb7967445eef", kill_on_drop: false }`
[INFO] [stdout] 38852948f5ff1795a0393dd6455d0cc558e1e6ae17fae78c35a2bb7967445eef