[INFO] fetching crate superfusion 0.1.4...
[INFO] checking superfusion-0.1.4 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate superfusion 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate superfusion 0.1.4 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate superfusion 0.1.4
[INFO] finished tweaking crates.io crate superfusion 0.1.4
[INFO] tweaked toml for crates.io crate superfusion 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate superfusion 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", 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] e8a83283fcde38daebc7a589fb01a45e8ed7ff7a435f2a570239a3d5fc4973da
[INFO] running `Command { std: "docker" "start" "-a" "e8a83283fcde38daebc7a589fb01a45e8ed7ff7a435f2a570239a3d5fc4973da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a83283fcde38daebc7a589fb01a45e8ed7ff7a435f2a570239a3d5fc4973da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a83283fcde38daebc7a589fb01a45e8ed7ff7a435f2a570239a3d5fc4973da", kill_on_drop: false }`
[INFO] [stdout] e8a83283fcde38daebc7a589fb01a45e8ed7ff7a435f2a570239a3d5fc4973da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed7219d80fa679a62b532f9697c9fc23ac76c330f2aa2b675bf9e4860dbb1bd
[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" "5ed7219d80fa679a62b532f9697c9fc23ac76c330f2aa2b675bf9e4860dbb1bd", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking superfusion v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.09s
[INFO] running `Command { std: "docker" "inspect" "5ed7219d80fa679a62b532f9697c9fc23ac76c330f2aa2b675bf9e4860dbb1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed7219d80fa679a62b532f9697c9fc23ac76c330f2aa2b675bf9e4860dbb1bd", kill_on_drop: false }`
[INFO] [stdout] 5ed7219d80fa679a62b532f9697c9fc23ac76c330f2aa2b675bf9e4860dbb1bd