[INFO] fetching crate superfusion 0.1.4...
[INFO] checking superfusion-0.1.4 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate superfusion 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate superfusion 0.1.4 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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-4/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ec14f7f2b8a706c761c5e0a88994aa7a94a8a4289587d4cca12e11d7b38cd60
[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" "3ec14f7f2b8a706c761c5e0a88994aa7a94a8a4289587d4cca12e11d7b38cd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec14f7f2b8a706c761c5e0a88994aa7a94a8a4289587d4cca12e11d7b38cd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec14f7f2b8a706c761c5e0a88994aa7a94a8a4289587d4cca12e11d7b38cd60", kill_on_drop: false }`
[INFO] [stdout] 3ec14f7f2b8a706c761c5e0a88994aa7a94a8a4289587d4cca12e11d7b38cd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5fcc2b3a87c24795cd9f4371cceeb22dc7272de6d4f36d0a58f14c6cb1ff66
[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" "7a5fcc2b3a87c24795cd9f4371cceeb22dc7272de6d4f36d0a58f14c6cb1ff66", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[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 28.95s
[INFO] running `Command { std: "docker" "inspect" "7a5fcc2b3a87c24795cd9f4371cceeb22dc7272de6d4f36d0a58f14c6cb1ff66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5fcc2b3a87c24795cd9f4371cceeb22dc7272de6d4f36d0a58f14c6cb1ff66", kill_on_drop: false }`
[INFO] [stdout] 7a5fcc2b3a87c24795cd9f4371cceeb22dc7272de6d4f36d0a58f14c6cb1ff66