[INFO] fetching crate enet 0.3.0...
[INFO] checking enet-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate enet 0.3.0 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 enet 0.3.0
[INFO] finished tweaking crates.io crate enet 0.3.0
[INFO] tweaked toml for crates.io crate enet 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate enet 0.3.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded enet-sys v1.0.0
[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] e140ed2b2c0827f799a47f49d325f36ecc88ba2cc4af81c88df308425588a2ef
[INFO] running `Command { std: "docker" "start" "-a" "e140ed2b2c0827f799a47f49d325f36ecc88ba2cc4af81c88df308425588a2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e140ed2b2c0827f799a47f49d325f36ecc88ba2cc4af81c88df308425588a2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e140ed2b2c0827f799a47f49d325f36ecc88ba2cc4af81c88df308425588a2ef", kill_on_drop: false }`
[INFO] [stdout] e140ed2b2c0827f799a47f49d325f36ecc88ba2cc4af81c88df308425588a2ef
[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] 4a0e358fb3fc2ff8f995fc5a509fc67332e76f3aa93445d89a92ceaf2db68561
[INFO] running `Command { std: "docker" "start" "-a" "4a0e358fb3fc2ff8f995fc5a509fc67332e76f3aa93445d89a92ceaf2db68561", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling enet-sys v1.0.0
[INFO] [stderr]     Checking enet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.05s
[INFO] running `Command { std: "docker" "inspect" "4a0e358fb3fc2ff8f995fc5a509fc67332e76f3aa93445d89a92ceaf2db68561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0e358fb3fc2ff8f995fc5a509fc67332e76f3aa93445d89a92ceaf2db68561", kill_on_drop: false }`
[INFO] [stdout] 4a0e358fb3fc2ff8f995fc5a509fc67332e76f3aa93445d89a92ceaf2db68561
[INFO] checking enet-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate enet 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enet 0.3.0
[INFO] finished tweaking crates.io crate enet 0.3.0
[INFO] tweaked toml for crates.io crate enet 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate enet 0.3.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a7879c7cd0b33307913b8ddb63b2257b0c5a1562de9f29ddefb7b60c2baa8b1
[INFO] running `Command { std: "docker" "start" "-a" "9a7879c7cd0b33307913b8ddb63b2257b0c5a1562de9f29ddefb7b60c2baa8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a7879c7cd0b33307913b8ddb63b2257b0c5a1562de9f29ddefb7b60c2baa8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7879c7cd0b33307913b8ddb63b2257b0c5a1562de9f29ddefb7b60c2baa8b1", kill_on_drop: false }`
[INFO] [stdout] 9a7879c7cd0b33307913b8ddb63b2257b0c5a1562de9f29ddefb7b60c2baa8b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91c8be77186771ba13cd414d4bb20e0d7a03971da4d82de0ec8cdf2fd169fd49
[INFO] running `Command { std: "docker" "start" "-a" "91c8be77186771ba13cd414d4bb20e0d7a03971da4d82de0ec8cdf2fd169fd49", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling enet-sys v1.0.0
[INFO] [stderr]     Checking enet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.18s
[INFO] running `Command { std: "docker" "inspect" "91c8be77186771ba13cd414d4bb20e0d7a03971da4d82de0ec8cdf2fd169fd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c8be77186771ba13cd414d4bb20e0d7a03971da4d82de0ec8cdf2fd169fd49", kill_on_drop: false }`
[INFO] [stdout] 91c8be77186771ba13cd414d4bb20e0d7a03971da4d82de0ec8cdf2fd169fd49