[INFO] fetching crate tetsy-rlp-derive 0.1.2...
[INFO] checking tetsy-rlp-derive-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tetsy-rlp-derive 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tetsy-rlp-derive 0.1.2 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 tetsy-rlp-derive 0.1.2
[INFO] finished tweaking crates.io crate tetsy-rlp-derive 0.1.2
[INFO] tweaked toml for crates.io crate tetsy-rlp-derive 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tetsy-rlp v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4610a9aa4c80244d958f748aa8011cd6e6755a0bfa921191413e32660d436a65
[INFO] running `Command { std: "docker" "start" "-a" "4610a9aa4c80244d958f748aa8011cd6e6755a0bfa921191413e32660d436a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4610a9aa4c80244d958f748aa8011cd6e6755a0bfa921191413e32660d436a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4610a9aa4c80244d958f748aa8011cd6e6755a0bfa921191413e32660d436a65", kill_on_drop: false }`
[INFO] [stdout] 4610a9aa4c80244d958f748aa8011cd6e6755a0bfa921191413e32660d436a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7abdd4f4ba20894bb6aa6625eafe7cadb7c3dc05def0717699e8a457c38addb0
[INFO] running `Command { std: "docker" "start" "-a" "7abdd4f4ba20894bb6aa6625eafe7cadb7c3dc05def0717699e8a457c38addb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking tetsy-rlp v0.5.1
[INFO] [stderr]     Checking tetsy-rlp-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "7abdd4f4ba20894bb6aa6625eafe7cadb7c3dc05def0717699e8a457c38addb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abdd4f4ba20894bb6aa6625eafe7cadb7c3dc05def0717699e8a457c38addb0", kill_on_drop: false }`
[INFO] [stdout] 7abdd4f4ba20894bb6aa6625eafe7cadb7c3dc05def0717699e8a457c38addb0
[INFO] checking tetsy-rlp-derive-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tetsy-rlp-derive 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tetsy-rlp-derive 0.1.2 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 tetsy-rlp-derive 0.1.2
[INFO] finished tweaking crates.io crate tetsy-rlp-derive 0.1.2
[INFO] tweaked toml for crates.io crate tetsy-rlp-derive 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 81a491bdb71da731675bf6263c0e70970e3227d4b2dcc73ad0b9edaeafa7dcbc
[INFO] running `Command { std: "docker" "start" "-a" "81a491bdb71da731675bf6263c0e70970e3227d4b2dcc73ad0b9edaeafa7dcbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a491bdb71da731675bf6263c0e70970e3227d4b2dcc73ad0b9edaeafa7dcbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a491bdb71da731675bf6263c0e70970e3227d4b2dcc73ad0b9edaeafa7dcbc", kill_on_drop: false }`
[INFO] [stdout] 81a491bdb71da731675bf6263c0e70970e3227d4b2dcc73ad0b9edaeafa7dcbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b5d7b5647573d7d69ee8b77daea52168c5e6c5d83a679c552b3b7ab3a61a39d1
[INFO] running `Command { std: "docker" "start" "-a" "b5d7b5647573d7d69ee8b77daea52168c5e6c5d83a679c552b3b7ab3a61a39d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking tetsy-rlp v0.5.1
[INFO] [stderr]     Checking tetsy-rlp-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "b5d7b5647573d7d69ee8b77daea52168c5e6c5d83a679c552b3b7ab3a61a39d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d7b5647573d7d69ee8b77daea52168c5e6c5d83a679c552b3b7ab3a61a39d1", kill_on_drop: false }`
[INFO] [stdout] b5d7b5647573d7d69ee8b77daea52168c5e6c5d83a679c552b3b7ab3a61a39d1