[INFO] fetching crate route_verification_ir 0.1.1...
[INFO] checking route_verification_ir-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate route_verification_ir 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate route_verification_ir 0.1.1 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] started tweaking crates.io crate route_verification_ir 0.1.1
[INFO] finished tweaking crates.io crate route_verification_ir 0.1.1
[INFO] tweaked toml for crates.io crate route_verification_ir 0.1.1 written to /workspace/builds/worker-4-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]     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]      Locking 50 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded route_verification_shared_struct v0.1.1
[INFO] [stderr]   Downloaded net-literals v0.2.0
[INFO] [stderr]   Downloaded route_verification_common_regex v0.1.0
[INFO] [stderr]   Downloaded route_verification_io v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 94b7e59a1a5005f8058d58b3c0d007c67a021318ab7bd56bb3e55f95994dc9a2
[INFO] running `Command { std: "docker" "start" "-a" "94b7e59a1a5005f8058d58b3c0d007c67a021318ab7bd56bb3e55f95994dc9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b7e59a1a5005f8058d58b3c0d007c67a021318ab7bd56bb3e55f95994dc9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b7e59a1a5005f8058d58b3c0d007c67a021318ab7bd56bb3e55f95994dc9a2", kill_on_drop: false }`
[INFO] [stdout] 94b7e59a1a5005f8058d58b3c0d007c67a021318ab7bd56bb3e55f95994dc9a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4285cac0d32c67e347d21dd20f47e2c17eb3cfb79331480ed92c32b9fcdaf340
[INFO] running `Command { std: "docker" "start" "-a" "4285cac0d32c67e347d21dd20f47e2c17eb3cfb79331480ed92c32b9fcdaf340", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling net-literals v0.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.1.0
[INFO] [stderr]     Checking lazy-regex v3.1.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking route_verification_common_regex v0.1.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking route_verification_shared_struct v0.1.1
[INFO] [stderr]     Checking route_verification_io v0.1.0
[INFO] [stderr]     Checking route_verification_ir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.97s
[INFO] running `Command { std: "docker" "inspect" "4285cac0d32c67e347d21dd20f47e2c17eb3cfb79331480ed92c32b9fcdaf340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4285cac0d32c67e347d21dd20f47e2c17eb3cfb79331480ed92c32b9fcdaf340", kill_on_drop: false }`
[INFO] [stdout] 4285cac0d32c67e347d21dd20f47e2c17eb3cfb79331480ed92c32b9fcdaf340
[INFO] checking route_verification_ir-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate route_verification_ir 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate route_verification_ir 0.1.1 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] started tweaking crates.io crate route_verification_ir 0.1.1
[INFO] finished tweaking crates.io crate route_verification_ir 0.1.1
[INFO] tweaked toml for crates.io crate route_verification_ir 0.1.1 written to /workspace/builds/worker-4-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 50 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3b42e44d391fdf376cb3694a9f9e77dc96d3d0fe838aec241c1793f09900f170
[INFO] running `Command { std: "docker" "start" "-a" "3b42e44d391fdf376cb3694a9f9e77dc96d3d0fe838aec241c1793f09900f170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b42e44d391fdf376cb3694a9f9e77dc96d3d0fe838aec241c1793f09900f170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b42e44d391fdf376cb3694a9f9e77dc96d3d0fe838aec241c1793f09900f170", kill_on_drop: false }`
[INFO] [stdout] 3b42e44d391fdf376cb3694a9f9e77dc96d3d0fe838aec241c1793f09900f170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1dbf3ed22fa2b36e53e2f0d51296d60e1d1d1a80c55a1d03a8481e4edc152d69
[INFO] running `Command { std: "docker" "start" "-a" "1dbf3ed22fa2b36e53e2f0d51296d60e1d1d1a80c55a1d03a8481e4edc152d69", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling net-literals v0.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.1.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking lazy-regex v3.1.0
[INFO] [stderr]     Checking route_verification_common_regex v0.1.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking route_verification_shared_struct v0.1.1
[INFO] [stderr]     Checking route_verification_io v0.1.0
[INFO] [stderr]     Checking route_verification_ir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.38s
[INFO] running `Command { std: "docker" "inspect" "1dbf3ed22fa2b36e53e2f0d51296d60e1d1d1a80c55a1d03a8481e4edc152d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbf3ed22fa2b36e53e2f0d51296d60e1d1d1a80c55a1d03a8481e4edc152d69", kill_on_drop: false }`
[INFO] [stdout] 1dbf3ed22fa2b36e53e2f0d51296d60e1d1d1a80c55a1d03a8481e4edc152d69