[INFO] fetching crate ruc 5.1.1...
[INFO] checking ruc-5.1.1 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate ruc 5.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ruc 5.1.1 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruc 5.1.1
[INFO] finished tweaking crates.io crate ruc 5.1.1
[INFO] tweaked toml for crates.io crate ruc 5.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keccak v0.1.5
[INFO] [stderr]   Downloaded hash-db v0.16.0
[INFO] [stderr]   Downloaded trie-root v0.18.0
[INFO] [stderr]   Downloaded keccak-hasher v0.16.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.15.2
[INFO] [stderr]   Downloaded reference-trie v0.29.1
[INFO] [stderr]   Downloaded ed25519 v2.2.3
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded curve25519-dalek-derive v0.1.1
[INFO] [stderr]   Downloaded platforms v3.4.0
[INFO] [stderr]   Downloaded base64ct v1.6.0
[INFO] [stderr]   Downloaded const-oid v0.9.6
[INFO] [stderr]   Downloaded der v0.7.8
[INFO] [stderr]   Downloaded curve25519-dalek v4.1.2
[INFO] [stderr]   Downloaded fiat-crypto v0.2.7
[INFO] [stderr]   Downloaded libssh2-sys v0.3.0
[INFO] [stderr]   Downloaded sha3 v0.10.8
[INFO] [stderr]   Downloaded nix v0.26.4
[INFO] [stderr]   Downloaded allocator-api2 v0.2.16
[INFO] [stderr]   Downloaded trie-db v0.27.1
[INFO] [stderr]   Downloaded ed25519-zebra v4.0.3
[INFO] [stderr]   Downloaded parity-scale-codec v3.6.9
[INFO] [stderr]   Downloaded ssh2 v0.9.4
[INFO] [stderr]   Downloaded spki v0.7.3
[INFO] [stderr]   Downloaded pkcs8 v0.10.2
[INFO] [stderr]   Downloaded signature v2.2.0
[INFO] [stderr]   Downloaded zeroize v1.7.0
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded libz-sys v1.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a391651f336fe30692625e315784bbce7e5a47a05730403bb7506069aa983840
[INFO] running `Command { std: "docker" "start" "-a" "a391651f336fe30692625e315784bbce7e5a47a05730403bb7506069aa983840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a391651f336fe30692625e315784bbce7e5a47a05730403bb7506069aa983840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a391651f336fe30692625e315784bbce7e5a47a05730403bb7506069aa983840", kill_on_drop: false }`
[INFO] [stdout] a391651f336fe30692625e315784bbce7e5a47a05730403bb7506069aa983840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b872afab7e31b32ed3b761c3e45cdb5e88dc2bb9b418a1f3d7ff90fedad984b4
[INFO] running `Command { std: "docker" "start" "-a" "b872afab7e31b32ed3b761c3e45cdb5e88dc2bb9b418a1f3d7ff90fedad984b4", kill_on_drop: false }`
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking ruc v5.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "b872afab7e31b32ed3b761c3e45cdb5e88dc2bb9b418a1f3d7ff90fedad984b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b872afab7e31b32ed3b761c3e45cdb5e88dc2bb9b418a1f3d7ff90fedad984b4", kill_on_drop: false }`
[INFO] [stdout] b872afab7e31b32ed3b761c3e45cdb5e88dc2bb9b418a1f3d7ff90fedad984b4