[INFO] fetching crate configman 0.4.1...
[INFO] checking configman-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate configman 0.4.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate configman 0.4.1 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate configman 0.4.1
[INFO] finished tweaking crates.io crate configman 0.4.1
[INFO] tweaked toml for crates.io crate configman 0.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate configman 0.4.1 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 globset v0.4.8
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.5
[INFO] [stderr]   Downloaded os_str_bytes v4.2.0
[INFO] [stderr]   Downloaded indexmap v1.6.2
[INFO] [stderr]   Downloaded clap v3.0.0-beta.5
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded fmtlog v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0828adaa5b264879a980138f0ed16da1b85cc982728169e942b521ee3accdbec
[INFO] running `Command { std: "docker" "start" "-a" "0828adaa5b264879a980138f0ed16da1b85cc982728169e942b521ee3accdbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0828adaa5b264879a980138f0ed16da1b85cc982728169e942b521ee3accdbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0828adaa5b264879a980138f0ed16da1b85cc982728169e942b521ee3accdbec", kill_on_drop: false }`
[INFO] [stdout] 0828adaa5b264879a980138f0ed16da1b85cc982728169e942b521ee3accdbec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf165833c720a3c066be625fe10e97cd0b2fc6c5fe9da771a9676fc7667d0bf1
[INFO] running `Command { std: "docker" "start" "-a" "cf165833c720a3c066be625fe10e97cd0b2fc6c5fe9da771a9676fc7667d0bf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking fmtlog v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking configman v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.25s
[INFO] running `Command { std: "docker" "inspect" "cf165833c720a3c066be625fe10e97cd0b2fc6c5fe9da771a9676fc7667d0bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf165833c720a3c066be625fe10e97cd0b2fc6c5fe9da771a9676fc7667d0bf1", kill_on_drop: false }`
[INFO] [stdout] cf165833c720a3c066be625fe10e97cd0b2fc6c5fe9da771a9676fc7667d0bf1
[INFO] checking configman-0.4.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate configman 0.4.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate configman 0.4.1 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate configman 0.4.1
[INFO] finished tweaking crates.io crate configman 0.4.1
[INFO] tweaked toml for crates.io crate configman 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate configman 0.4.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3eb6f27af3cd09d1ba4117c1a842ea518ba4f3717faf3543027b291babe5dabc
[INFO] running `Command { std: "docker" "start" "-a" "3eb6f27af3cd09d1ba4117c1a842ea518ba4f3717faf3543027b291babe5dabc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb6f27af3cd09d1ba4117c1a842ea518ba4f3717faf3543027b291babe5dabc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb6f27af3cd09d1ba4117c1a842ea518ba4f3717faf3543027b291babe5dabc", kill_on_drop: false }`
[INFO] [stdout] 3eb6f27af3cd09d1ba4117c1a842ea518ba4f3717faf3543027b291babe5dabc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f71ffbbffb0d6a283c2a8e4ab6741ec776fdd761a2d0b9ec5c60ae9726f5a965
[INFO] running `Command { std: "docker" "start" "-a" "f71ffbbffb0d6a283c2a8e4ab6741ec776fdd761a2d0b9ec5c60ae9726f5a965", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking fmtlog v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking configman v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "f71ffbbffb0d6a283c2a8e4ab6741ec776fdd761a2d0b9ec5c60ae9726f5a965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71ffbbffb0d6a283c2a8e4ab6741ec776fdd761a2d0b9ec5c60ae9726f5a965", kill_on_drop: false }`
[INFO] [stdout] f71ffbbffb0d6a283c2a8e4ab6741ec776fdd761a2d0b9ec5c60ae9726f5a965