[INFO] fetching crate pk_vm 0.0.5-dev...
[INFO] checking pk_vm-0.0.5-dev against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate pk_vm 0.0.5-dev into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pk_vm 0.0.5-dev 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 pk_vm 0.0.5-dev
[INFO] finished tweaking crates.io crate pk_vm 0.0.5-dev
[INFO] tweaked toml for crates.io crate pk_vm 0.0.5-dev written to /workspace/builds/worker-7-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 26 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding logos v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 pk_compiler v0.0.5-dev
[INFO] [stderr]   Downloaded bytecoding v0.1.0
[INFO] [stderr]   Downloaded bytecoding_derive v0.1.0
[INFO] [stderr]   Downloaded pk_lexer v0.0.5-dev
[INFO] [stderr]   Downloaded pk_parser v0.0.5-dev
[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] 0a19544956816661fff6edf120b6d1bf623fa2aa3fb535705edcc6ead4d60916
[INFO] running `Command { std: "docker" "start" "-a" "0a19544956816661fff6edf120b6d1bf623fa2aa3fb535705edcc6ead4d60916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a19544956816661fff6edf120b6d1bf623fa2aa3fb535705edcc6ead4d60916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a19544956816661fff6edf120b6d1bf623fa2aa3fb535705edcc6ead4d60916", kill_on_drop: false }`
[INFO] [stdout] 0a19544956816661fff6edf120b6d1bf623fa2aa3fb535705edcc6ead4d60916
[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] 2830a8e756ca6af7f9e72481dcad4a13bbd4a75be25964e0d140d358ab2cd70f
[INFO] running `Command { std: "docker" "start" "-a" "2830a8e756ca6af7f9e72481dcad4a13bbd4a75be25964e0d140d358ab2cd70f", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling bytecoding_derive v0.1.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking bytecoding v0.1.0
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking pk_lexer v0.0.5-dev
[INFO] [stderr]     Checking pk_parser v0.0.5-dev
[INFO] [stderr]     Checking pk_compiler v0.0.5-dev
[INFO] [stderr]     Checking pk_vm v0.0.5-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "2830a8e756ca6af7f9e72481dcad4a13bbd4a75be25964e0d140d358ab2cd70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2830a8e756ca6af7f9e72481dcad4a13bbd4a75be25964e0d140d358ab2cd70f", kill_on_drop: false }`
[INFO] [stdout] 2830a8e756ca6af7f9e72481dcad4a13bbd4a75be25964e0d140d358ab2cd70f
[INFO] checking pk_vm-0.0.5-dev against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate pk_vm 0.0.5-dev into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate pk_vm 0.0.5-dev 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 pk_vm 0.0.5-dev
[INFO] finished tweaking crates.io crate pk_vm 0.0.5-dev
[INFO] tweaked toml for crates.io crate pk_vm 0.0.5-dev written to /workspace/builds/worker-7-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 26 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding logos v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] 9eb6136d6910fe4fc4edd0155df5411ec856f341f05bf2e14273b084e6614463
[INFO] running `Command { std: "docker" "start" "-a" "9eb6136d6910fe4fc4edd0155df5411ec856f341f05bf2e14273b084e6614463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb6136d6910fe4fc4edd0155df5411ec856f341f05bf2e14273b084e6614463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb6136d6910fe4fc4edd0155df5411ec856f341f05bf2e14273b084e6614463", kill_on_drop: false }`
[INFO] [stdout] 9eb6136d6910fe4fc4edd0155df5411ec856f341f05bf2e14273b084e6614463
[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] 06db7eca9a59aa9b7d29fa78e39709279f98da1cfa4b10c53da54ae229553119
[INFO] running `Command { std: "docker" "start" "-a" "06db7eca9a59aa9b7d29fa78e39709279f98da1cfa4b10c53da54ae229553119", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling bytecoding_derive v0.1.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking bytecoding v0.1.0
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking pk_lexer v0.0.5-dev
[INFO] [stderr]     Checking pk_parser v0.0.5-dev
[INFO] [stderr]     Checking pk_compiler v0.0.5-dev
[INFO] [stderr]     Checking pk_vm v0.0.5-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "06db7eca9a59aa9b7d29fa78e39709279f98da1cfa4b10c53da54ae229553119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06db7eca9a59aa9b7d29fa78e39709279f98da1cfa4b10c53da54ae229553119", kill_on_drop: false }`
[INFO] [stdout] 06db7eca9a59aa9b7d29fa78e39709279f98da1cfa4b10c53da54ae229553119