[INFO] fetching crate mycelium_experimental 0.1.0...
[INFO] checking mycelium_experimental-0.1.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate mycelium_experimental 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mycelium_experimental 0.1.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] finished tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] tweaked toml for crates.io crate mycelium_experimental 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] c138fa7809fedff29bd42bcc03cdecd8d2e423f6da4722d2350c90c17af21b2e
[INFO] running `Command { std: "docker" "start" "-a" "c138fa7809fedff29bd42bcc03cdecd8d2e423f6da4722d2350c90c17af21b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c138fa7809fedff29bd42bcc03cdecd8d2e423f6da4722d2350c90c17af21b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c138fa7809fedff29bd42bcc03cdecd8d2e423f6da4722d2350c90c17af21b2e", kill_on_drop: false }`
[INFO] [stdout] c138fa7809fedff29bd42bcc03cdecd8d2e423f6da4722d2350c90c17af21b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4d8f2f0fc4001e998cf1c6782092a613792b940c304314aa0db96371f702bf61
[INFO] running `Command { std: "docker" "start" "-a" "4d8f2f0fc4001e998cf1c6782092a613792b940c304314aa0db96371f702bf61", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[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 rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[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 crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking mycelium_experimental v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "4d8f2f0fc4001e998cf1c6782092a613792b940c304314aa0db96371f702bf61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8f2f0fc4001e998cf1c6782092a613792b940c304314aa0db96371f702bf61", kill_on_drop: false }`
[INFO] [stdout] 4d8f2f0fc4001e998cf1c6782092a613792b940c304314aa0db96371f702bf61