[INFO] fetching crate sprongen 0.0.2...
[INFO] checking sprongen-0.0.2 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate sprongen 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sprongen 0.0.2 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sprongen 0.0.2
[INFO] finished tweaking crates.io crate sprongen 0.0.2
[INFO] tweaked toml for crates.io crate sprongen 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate sprongen 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f405bdf0ad9a387f51cbd71dccaa6bb6c501e47007f7a43b76450fa866e460
[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" "a4f405bdf0ad9a387f51cbd71dccaa6bb6c501e47007f7a43b76450fa866e460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f405bdf0ad9a387f51cbd71dccaa6bb6c501e47007f7a43b76450fa866e460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f405bdf0ad9a387f51cbd71dccaa6bb6c501e47007f7a43b76450fa866e460", kill_on_drop: false }`
[INFO] [stdout] a4f405bdf0ad9a387f51cbd71dccaa6bb6c501e47007f7a43b76450fa866e460
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93a5666ca3f7e65917346a98bf734d44d00ec570c751f27b1a8a39566079d0cf
[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" "93a5666ca3f7e65917346a98bf734d44d00ec570c751f27b1a8a39566079d0cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking sprongen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.63s
[INFO] running `Command { std: "docker" "inspect" "93a5666ca3f7e65917346a98bf734d44d00ec570c751f27b1a8a39566079d0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a5666ca3f7e65917346a98bf734d44d00ec570c751f27b1a8a39566079d0cf", kill_on_drop: false }`
[INFO] [stdout] 93a5666ca3f7e65917346a98bf734d44d00ec570c751f27b1a8a39566079d0cf