[INFO] fetching crate mcap 0.9.0...
[INFO] checking mcap-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mcap 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mcap 0.9.0 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 mcap 0.9.0
[INFO] finished tweaking crates.io crate mcap 0.9.0
[INFO] tweaked toml for crates.io crate mcap 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mcap 0.9.0 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]     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 enumset_derive v0.8.1
[INFO] [stderr]   Downloaded clap_derive v3.2.25
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded enumset v1.1.3
[INFO] [stderr]   Downloaded binrw_derive v0.12.0
[INFO] [stderr]   Downloaded binrw v0.12.0
[INFO] [stderr]   Downloaded simplelog v0.12.1
[INFO] [stderr]   Downloaded jobserver v0.1.27
[INFO] [stderr]   Downloaded zstd-sys v2.0.9+zstd.1.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d2ae2b4445c1e83855dbf2d33f18683667cf2bbdd6e01fb71f1e10af07d3e2d1
[INFO] running `Command { std: "docker" "start" "-a" "d2ae2b4445c1e83855dbf2d33f18683667cf2bbdd6e01fb71f1e10af07d3e2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ae2b4445c1e83855dbf2d33f18683667cf2bbdd6e01fb71f1e10af07d3e2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ae2b4445c1e83855dbf2d33f18683667cf2bbdd6e01fb71f1e10af07d3e2d1", kill_on_drop: false }`
[INFO] [stdout] d2ae2b4445c1e83855dbf2d33f18683667cf2bbdd6e01fb71f1e10af07d3e2d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4b0cfb802cfc8fbc666e7858662a265c46e64c5c89deb1ee85788b913a6c7ddf
[INFO] running `Command { std: "docker" "start" "-a" "4b0cfb802cfc8fbc666e7858662a265c46e64c5c89deb1ee85788b913a6c7ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]     Checking serde v1.0.190
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking mcap v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "4b0cfb802cfc8fbc666e7858662a265c46e64c5c89deb1ee85788b913a6c7ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0cfb802cfc8fbc666e7858662a265c46e64c5c89deb1ee85788b913a6c7ddf", kill_on_drop: false }`
[INFO] [stdout] 4b0cfb802cfc8fbc666e7858662a265c46e64c5c89deb1ee85788b913a6c7ddf
[INFO] checking mcap-0.9.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate mcap 0.9.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mcap 0.9.0 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 mcap 0.9.0
[INFO] finished tweaking crates.io crate mcap 0.9.0
[INFO] tweaked toml for crates.io crate mcap 0.9.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mcap 0.9.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 355a307bf55da3657687ccbcc05fb9dfecaec6ee8df3c96b7b3bf139f6944875
[INFO] running `Command { std: "docker" "start" "-a" "355a307bf55da3657687ccbcc05fb9dfecaec6ee8df3c96b7b3bf139f6944875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "355a307bf55da3657687ccbcc05fb9dfecaec6ee8df3c96b7b3bf139f6944875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355a307bf55da3657687ccbcc05fb9dfecaec6ee8df3c96b7b3bf139f6944875", kill_on_drop: false }`
[INFO] [stdout] 355a307bf55da3657687ccbcc05fb9dfecaec6ee8df3c96b7b3bf139f6944875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 027c5834e0154271af8efd1016294b4685685b7f978b2c81a50dd0f7bde7d5ec
[INFO] running `Command { std: "docker" "start" "-a" "027c5834e0154271af8efd1016294b4685685b7f978b2c81a50dd0f7bde7d5ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]     Checking serde v1.0.190
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking mcap v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "027c5834e0154271af8efd1016294b4685685b7f978b2c81a50dd0f7bde7d5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027c5834e0154271af8efd1016294b4685685b7f978b2c81a50dd0f7bde7d5ec", kill_on_drop: false }`
[INFO] [stdout] 027c5834e0154271af8efd1016294b4685685b7f978b2c81a50dd0f7bde7d5ec