[INFO] fetching crate cpt 0.4.1...
[INFO] checking cpt-0.4.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate cpt 0.4.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cpt 0.4.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-9/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc31ee9ff978536109eb2547287c0a0e19033af15972f11d73bde1dc7e28dcf
[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" "ddc31ee9ff978536109eb2547287c0a0e19033af15972f11d73bde1dc7e28dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc31ee9ff978536109eb2547287c0a0e19033af15972f11d73bde1dc7e28dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc31ee9ff978536109eb2547287c0a0e19033af15972f11d73bde1dc7e28dcf", kill_on_drop: false }`
[INFO] [stdout] ddc31ee9ff978536109eb2547287c0a0e19033af15972f11d73bde1dc7e28dcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 734fc7c58370f0d70e222b7ff65f5812f6cb4191cf270e154ccf141adb6f34cc
[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" "734fc7c58370f0d70e222b7ff65f5812f6cb4191cf270e154ccf141adb6f34cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[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 44.84s
[INFO] running `Command { std: "docker" "inspect" "734fc7c58370f0d70e222b7ff65f5812f6cb4191cf270e154ccf141adb6f34cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734fc7c58370f0d70e222b7ff65f5812f6cb4191cf270e154ccf141adb6f34cc", kill_on_drop: false }`
[INFO] [stdout] 734fc7c58370f0d70e222b7ff65f5812f6cb4191cf270e154ccf141adb6f34cc