[INFO] fetching crate etptypes 1.0.0+1.2...
[INFO] checking etptypes-1.0.0+1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate etptypes 1.0.0+1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate etptypes 1.0.0+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 etptypes 1.0.0+1.2
[INFO] finished tweaking crates.io crate etptypes 1.0.0+1.2
[INFO] tweaked toml for crates.io crate etptypes 1.0.0+1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate etptypes 1.0.0+1.2 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 strum_macros v0.18.0
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded libflate v1.4.0
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded typed-builder v0.5.1
[INFO] [stderr]   Downloaded avro-rs v0.13.0
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[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] be6c2a338940f1b7a354fb33e9b1bc28fe1e891876d9c90b1a12c73419eb4c59
[INFO] running `Command { std: "docker" "start" "-a" "be6c2a338940f1b7a354fb33e9b1bc28fe1e891876d9c90b1a12c73419eb4c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be6c2a338940f1b7a354fb33e9b1bc28fe1e891876d9c90b1a12c73419eb4c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6c2a338940f1b7a354fb33e9b1bc28fe1e891876d9c90b1a12c73419eb4c59", kill_on_drop: false }`
[INFO] [stdout] be6c2a338940f1b7a354fb33e9b1bc28fe1e891876d9c90b1a12c73419eb4c59
[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] 13d4b2a1e54301d760210a144d09bc47e605bfc614630f41d14b116f794ed009
[INFO] running `Command { std: "docker" "start" "-a" "13d4b2a1e54301d760210a144d09bc47e605bfc614630f41d14b116f794ed009", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling typed-builder v0.5.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking libflate v1.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking avro-rs v0.13.0
[INFO] [stderr]     Checking etptypes v1.0.0+1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.52s
[INFO] running `Command { std: "docker" "inspect" "13d4b2a1e54301d760210a144d09bc47e605bfc614630f41d14b116f794ed009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d4b2a1e54301d760210a144d09bc47e605bfc614630f41d14b116f794ed009", kill_on_drop: false }`
[INFO] [stdout] 13d4b2a1e54301d760210a144d09bc47e605bfc614630f41d14b116f794ed009
[INFO] checking etptypes-1.0.0+1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate etptypes 1.0.0+1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate etptypes 1.0.0+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 etptypes 1.0.0+1.2
[INFO] finished tweaking crates.io crate etptypes 1.0.0+1.2
[INFO] tweaked toml for crates.io crate etptypes 1.0.0+1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate etptypes 1.0.0+1.2 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-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] 2e4310946cf72ff8b732f4f770afb10810027b5af0dedc41afd5469308e96ed3
[INFO] running `Command { std: "docker" "start" "-a" "2e4310946cf72ff8b732f4f770afb10810027b5af0dedc41afd5469308e96ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e4310946cf72ff8b732f4f770afb10810027b5af0dedc41afd5469308e96ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4310946cf72ff8b732f4f770afb10810027b5af0dedc41afd5469308e96ed3", kill_on_drop: false }`
[INFO] [stdout] 2e4310946cf72ff8b732f4f770afb10810027b5af0dedc41afd5469308e96ed3
[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] a453c47cdd8b202d981fade755e378ada36f6c034bfffd68c600095d9acc2de0
[INFO] running `Command { std: "docker" "start" "-a" "a453c47cdd8b202d981fade755e378ada36f6c034bfffd68c600095d9acc2de0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling typed-builder v0.5.1
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking libflate v1.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking avro-rs v0.13.0
[INFO] [stderr]     Checking etptypes v1.0.0+1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.42s
[INFO] running `Command { std: "docker" "inspect" "a453c47cdd8b202d981fade755e378ada36f6c034bfffd68c600095d9acc2de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a453c47cdd8b202d981fade755e378ada36f6c034bfffd68c600095d9acc2de0", kill_on_drop: false }`
[INFO] [stdout] a453c47cdd8b202d981fade755e378ada36f6c034bfffd68c600095d9acc2de0