[INFO] fetching crate displaythis 1.0.23...
[INFO] checking displaythis-1.0.23 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate displaythis 1.0.23 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate displaythis 1.0.23 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate displaythis 1.0.23
[INFO] finished tweaking crates.io crate displaythis 1.0.23
[INFO] tweaked toml for crates.io crate displaythis 1.0.23 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded displaythis-impl v1.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 319fb4e284297b179a35e7d1f07d6b37b89817df6cbd63e368346924a14e517d
[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" "319fb4e284297b179a35e7d1f07d6b37b89817df6cbd63e368346924a14e517d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319fb4e284297b179a35e7d1f07d6b37b89817df6cbd63e368346924a14e517d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319fb4e284297b179a35e7d1f07d6b37b89817df6cbd63e368346924a14e517d", kill_on_drop: false }`
[INFO] [stdout] 319fb4e284297b179a35e7d1f07d6b37b89817df6cbd63e368346924a14e517d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8bc004dcdfad54ca5f580f558b069f971ab44c78d217a53ebca5f5077767263
[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" "c8bc004dcdfad54ca5f580f558b069f971ab44c78d217a53ebca5f5077767263", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling displaythis-impl v1.0.23
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]     Checking displaythis v1.0.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "c8bc004dcdfad54ca5f580f558b069f971ab44c78d217a53ebca5f5077767263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bc004dcdfad54ca5f580f558b069f971ab44c78d217a53ebca5f5077767263", kill_on_drop: false }`
[INFO] [stdout] c8bc004dcdfad54ca5f580f558b069f971ab44c78d217a53ebca5f5077767263