[INFO] fetching crate cpt 0.4.1...
[INFO] checking cpt-0.4.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate cpt 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cpt 0.4.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpt 0.4.1
[INFO] finished tweaking crates.io crate cpt 0.4.1
[INFO] tweaked toml for crates.io crate cpt 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cpt 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdbf0b7aed1dcaddd5c2430b6fc1bb0bcc92c86e43994ccba84b8f1c814d98e5
[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" "cdbf0b7aed1dcaddd5c2430b6fc1bb0bcc92c86e43994ccba84b8f1c814d98e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbf0b7aed1dcaddd5c2430b6fc1bb0bcc92c86e43994ccba84b8f1c814d98e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbf0b7aed1dcaddd5c2430b6fc1bb0bcc92c86e43994ccba84b8f1c814d98e5", kill_on_drop: false }`
[INFO] [stdout] cdbf0b7aed1dcaddd5c2430b6fc1bb0bcc92c86e43994ccba84b8f1c814d98e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 095304c0990767cdf0df2138813d7c7afc14cb4e6d1ab4b09c5b74fbef2d8e2b
[INFO] running `Command { std: "docker" "start" "-a" "095304c0990767cdf0df2138813d7c7afc14cb4e6d1ab4b09c5b74fbef2d8e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking handlebars v3.0.0-beta.1
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking cpt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 48.91s
[INFO] running `Command { std: "docker" "inspect" "095304c0990767cdf0df2138813d7c7afc14cb4e6d1ab4b09c5b74fbef2d8e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095304c0990767cdf0df2138813d7c7afc14cb4e6d1ab4b09c5b74fbef2d8e2b", kill_on_drop: false }`
[INFO] [stdout] 095304c0990767cdf0df2138813d7c7afc14cb4e6d1ab4b09c5b74fbef2d8e2b