[INFO] fetching crate rcp 0.1.0...
[INFO] checking rcp-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rcp 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rcp 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcp 0.1.0
[INFO] finished tweaking crates.io crate rcp 0.1.0
[INFO] tweaked toml for crates.io crate rcp 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rcp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] [stderr]   Downloaded libssh2-sys v0.2.17
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded ssh2 v0.8.1
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded openssl-sys v0.9.39
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded redox_syscall v0.1.43
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded openssl-src v111.6.1+1.1.1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c72ad1b07a31772a5ade5be23d5534b90938dc703aa6aecbe00895557532fb5
[INFO] running `Command { std: "docker" "start" "-a" "5c72ad1b07a31772a5ade5be23d5534b90938dc703aa6aecbe00895557532fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c72ad1b07a31772a5ade5be23d5534b90938dc703aa6aecbe00895557532fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c72ad1b07a31772a5ade5be23d5534b90938dc703aa6aecbe00895557532fb5", kill_on_drop: false }`
[INFO] [stdout] 5c72ad1b07a31772a5ade5be23d5534b90938dc703aa6aecbe00895557532fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6fa3fc665778d63a455bd5d1164a99f6ba8e3031c03071d2e59170a2f0b6b82
[INFO] running `Command { std: "docker" "start" "-a" "b6fa3fc665778d63a455bd5d1164a99f6ba8e3031c03071d2e59170a2f0b6b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling openssl-src v111.6.1+1.1.1d
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking ssh2 v0.8.1
[INFO] [stderr]     Checking rcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "b6fa3fc665778d63a455bd5d1164a99f6ba8e3031c03071d2e59170a2f0b6b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fa3fc665778d63a455bd5d1164a99f6ba8e3031c03071d2e59170a2f0b6b82", kill_on_drop: false }`
[INFO] [stdout] b6fa3fc665778d63a455bd5d1164a99f6ba8e3031c03071d2e59170a2f0b6b82