[INFO] fetching crate taos-error 0.10.22...
[INFO] checking taos-error-0.10.22 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate taos-error 0.10.22 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate taos-error 0.10.22 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 taos-error 0.10.22
[INFO] finished tweaking crates.io crate taos-error 0.10.22
[INFO] tweaked toml for crates.io crate taos-error 0.10.22 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate taos-error 0.10.22 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdsn v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0d94358b5744b435752887ded75e3d9a2cd73cc10e65705c6d1048d37619d617
[INFO] running `Command { std: "docker" "start" "-a" "0d94358b5744b435752887ded75e3d9a2cd73cc10e65705c6d1048d37619d617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d94358b5744b435752887ded75e3d9a2cd73cc10e65705c6d1048d37619d617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d94358b5744b435752887ded75e3d9a2cd73cc10e65705c6d1048d37619d617", kill_on_drop: false }`
[INFO] [stdout] 0d94358b5744b435752887ded75e3d9a2cd73cc10e65705c6d1048d37619d617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dfd21731abe13909be14bcacaca7b9d6dfbe3fb9bc5d8ba06396226168302a28
[INFO] running `Command { std: "docker" "start" "-a" "dfd21731abe13909be14bcacaca7b9d6dfbe3fb9bc5d8ba06396226168302a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling taos-error v0.10.22 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking mdsn v0.2.22
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "dfd21731abe13909be14bcacaca7b9d6dfbe3fb9bc5d8ba06396226168302a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd21731abe13909be14bcacaca7b9d6dfbe3fb9bc5d8ba06396226168302a28", kill_on_drop: false }`
[INFO] [stdout] dfd21731abe13909be14bcacaca7b9d6dfbe3fb9bc5d8ba06396226168302a28
[INFO] checking taos-error-0.10.22 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate taos-error 0.10.22 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate taos-error 0.10.22 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 taos-error 0.10.22
[INFO] finished tweaking crates.io crate taos-error 0.10.22
[INFO] tweaked toml for crates.io crate taos-error 0.10.22 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate taos-error 0.10.22 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ee1083ffcab09b2985957031525017b5ce3b25f99669c4bb76697a1f872566b1
[INFO] running `Command { std: "docker" "start" "-a" "ee1083ffcab09b2985957031525017b5ce3b25f99669c4bb76697a1f872566b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1083ffcab09b2985957031525017b5ce3b25f99669c4bb76697a1f872566b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1083ffcab09b2985957031525017b5ce3b25f99669c4bb76697a1f872566b1", kill_on_drop: false }`
[INFO] [stdout] ee1083ffcab09b2985957031525017b5ce3b25f99669c4bb76697a1f872566b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0e2ac541e0e2b24e7f207dd0716ba59aa171efcb3875e9b0c0bf15ced2e875a6
[INFO] running `Command { std: "docker" "start" "-a" "0e2ac541e0e2b24e7f207dd0716ba59aa171efcb3875e9b0c0bf15ced2e875a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling taos-error v0.10.22 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking mdsn v0.2.22
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "0e2ac541e0e2b24e7f207dd0716ba59aa171efcb3875e9b0c0bf15ced2e875a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2ac541e0e2b24e7f207dd0716ba59aa171efcb3875e9b0c0bf15ced2e875a6", kill_on_drop: false }`
[INFO] [stdout] 0e2ac541e0e2b24e7f207dd0716ba59aa171efcb3875e9b0c0bf15ced2e875a6