[INFO] fetching crate rustcrypto-serpent 0.0.0...
[INFO] checking rustcrypto-serpent-0.0.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate rustcrypto-serpent 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustcrypto-serpent 0.0.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustcrypto-serpent 0.0.0
[INFO] finished tweaking crates.io crate rustcrypto-serpent 0.0.0
[INFO] tweaked toml for crates.io crate rustcrypto-serpent 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62a5f0c06915c0b9e1a3a913746810b0c86a2cc06291e8f1b8f06d390c8caa6c
[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" "62a5f0c06915c0b9e1a3a913746810b0c86a2cc06291e8f1b8f06d390c8caa6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62a5f0c06915c0b9e1a3a913746810b0c86a2cc06291e8f1b8f06d390c8caa6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a5f0c06915c0b9e1a3a913746810b0c86a2cc06291e8f1b8f06d390c8caa6c", kill_on_drop: false }`
[INFO] [stdout] 62a5f0c06915c0b9e1a3a913746810b0c86a2cc06291e8f1b8f06d390c8caa6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d344d9fb565621c442fe1a9eeb31f8c8bb60cd696faf6799e5a91252acf18fe3
[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" "d344d9fb565621c442fe1a9eeb31f8c8bb60cd696faf6799e5a91252acf18fe3", kill_on_drop: false }`
[INFO] [stderr]     Checking rustcrypto-serpent v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "d344d9fb565621c442fe1a9eeb31f8c8bb60cd696faf6799e5a91252acf18fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d344d9fb565621c442fe1a9eeb31f8c8bb60cd696faf6799e5a91252acf18fe3", kill_on_drop: false }`
[INFO] [stdout] d344d9fb565621c442fe1a9eeb31f8c8bb60cd696faf6799e5a91252acf18fe3