[INFO] fetching crate eto 0.2.2...
[INFO] checking eto-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate eto 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate eto 0.2.2 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 eto 0.2.2
[INFO] finished tweaking crates.io crate eto 0.2.2
[INFO] tweaked toml for crates.io crate eto 0.2.2 written to /workspace/builds/worker-6-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 68 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[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 pathdiff v0.2.1
[INFO] [stderr]   Downloaded sha256 v1.5.0
[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] b6a284c6cdf6b324f83d465632707de650a1592ceb84ff87ecc4309c523d0628
[INFO] running `Command { std: "docker" "start" "-a" "b6a284c6cdf6b324f83d465632707de650a1592ceb84ff87ecc4309c523d0628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a284c6cdf6b324f83d465632707de650a1592ceb84ff87ecc4309c523d0628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a284c6cdf6b324f83d465632707de650a1592ceb84ff87ecc4309c523d0628", kill_on_drop: false }`
[INFO] [stdout] b6a284c6cdf6b324f83d465632707de650a1592ceb84ff87ecc4309c523d0628
[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] 11343f1355dc3a1060b896f58225edaf819054344ce01601ac9284681d7f9df6
[INFO] running `Command { std: "docker" "start" "-a" "11343f1355dc3a1060b896f58225edaf819054344ce01601ac9284681d7f9df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking xattr v1.3.1
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking eto v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.69s
[INFO] running `Command { std: "docker" "inspect" "11343f1355dc3a1060b896f58225edaf819054344ce01601ac9284681d7f9df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11343f1355dc3a1060b896f58225edaf819054344ce01601ac9284681d7f9df6", kill_on_drop: false }`
[INFO] [stdout] 11343f1355dc3a1060b896f58225edaf819054344ce01601ac9284681d7f9df6
[INFO] checking eto-0.2.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate eto 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate eto 0.2.2 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 eto 0.2.2
[INFO] finished tweaking crates.io crate eto 0.2.2
[INFO] tweaked toml for crates.io crate eto 0.2.2 written to /workspace/builds/worker-6-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 68 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[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] 5a5bbbcbcaedb853fa3fd96f1fb87abeea54618b8d3c391c38cc4de8373bef16
[INFO] running `Command { std: "docker" "start" "-a" "5a5bbbcbcaedb853fa3fd96f1fb87abeea54618b8d3c391c38cc4de8373bef16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5bbbcbcaedb853fa3fd96f1fb87abeea54618b8d3c391c38cc4de8373bef16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5bbbcbcaedb853fa3fd96f1fb87abeea54618b8d3c391c38cc4de8373bef16", kill_on_drop: false }`
[INFO] [stdout] 5a5bbbcbcaedb853fa3fd96f1fb87abeea54618b8d3c391c38cc4de8373bef16
[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] d85ad904ed94e2a5849fe1b6adfa8d4f27c7b645324a37b53ea214d318443ba5
[INFO] running `Command { std: "docker" "start" "-a" "d85ad904ed94e2a5849fe1b6adfa8d4f27c7b645324a37b53ea214d318443ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking xattr v1.3.1
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking eto v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `Command { std: "docker" "inspect" "d85ad904ed94e2a5849fe1b6adfa8d4f27c7b645324a37b53ea214d318443ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85ad904ed94e2a5849fe1b6adfa8d4f27c7b645324a37b53ea214d318443ba5", kill_on_drop: false }`
[INFO] [stdout] d85ad904ed94e2a5849fe1b6adfa8d4f27c7b645324a37b53ea214d318443ba5