[INFO] fetching crate jens 0.6.0...
[INFO] checking jens-0.6.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate jens 0.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate jens 0.6.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jens 0.6.0
[INFO] finished tweaking crates.io crate jens 0.6.0
[INFO] tweaked toml for crates.io crate jens 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa6f7c3e4a20361a39c720cf881e7125ac1c808e658ccc436258b99810570967
[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" "aa6f7c3e4a20361a39c720cf881e7125ac1c808e658ccc436258b99810570967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6f7c3e4a20361a39c720cf881e7125ac1c808e658ccc436258b99810570967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6f7c3e4a20361a39c720cf881e7125ac1c808e658ccc436258b99810570967", kill_on_drop: false }`
[INFO] [stdout] aa6f7c3e4a20361a39c720cf881e7125ac1c808e658ccc436258b99810570967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8288b8a0be693145b0f31d4393ccaffb477959b9123f100b79e3b48db35cc8ba
[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" "8288b8a0be693145b0f31d4393ccaffb477959b9123f100b79e3b48db35cc8ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ci_info v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking jens v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking insta v0.6.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.29s
[INFO] running `Command { std: "docker" "inspect" "8288b8a0be693145b0f31d4393ccaffb477959b9123f100b79e3b48db35cc8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8288b8a0be693145b0f31d4393ccaffb477959b9123f100b79e3b48db35cc8ba", kill_on_drop: false }`
[INFO] [stdout] 8288b8a0be693145b0f31d4393ccaffb477959b9123f100b79e3b48db35cc8ba