[INFO] fetching crate testdata 0.1.0...
[INFO] checking testdata-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate testdata 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate testdata 0.1.0 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 testdata 0.1.0
[INFO] finished tweaking crates.io crate testdata 0.1.0
[INFO] tweaked toml for crates.io crate testdata 0.1.0 written to /workspace/builds/worker-2-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 37 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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 testdata-macros v0.1.0
[INFO] [stderr]   Downloaded path-slash v0.2.1
[INFO] [stderr]   Downloaded utime v0.3.1
[INFO] [stderr]   Downloaded testdata-rt v0.1.0
[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] ff7c741d42c32562556d66c4b3b2b1ba82d7347aa6d2a25d6f23759373229dfa
[INFO] running `Command { std: "docker" "start" "-a" "ff7c741d42c32562556d66c4b3b2b1ba82d7347aa6d2a25d6f23759373229dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff7c741d42c32562556d66c4b3b2b1ba82d7347aa6d2a25d6f23759373229dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7c741d42c32562556d66c4b3b2b1ba82d7347aa6d2a25d6f23759373229dfa", kill_on_drop: false }`
[INFO] [stdout] ff7c741d42c32562556d66c4b3b2b1ba82d7347aa6d2a25d6f23759373229dfa
[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] d1ade7d8563a5cf6a6e3a1c800ffa8ad9c01cea5d603a0b670dbb41351cb3149
[INFO] running `Command { std: "docker" "start" "-a" "d1ade7d8563a5cf6a6e3a1c800ffa8ad9c01cea5d603a0b670dbb41351cb3149", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]    Compiling utime v0.3.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling testdata-rt v0.1.0
[INFO] [stderr]    Compiling testdata-macros v0.1.0
[INFO] [stderr]     Checking testdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `Command { std: "docker" "inspect" "d1ade7d8563a5cf6a6e3a1c800ffa8ad9c01cea5d603a0b670dbb41351cb3149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ade7d8563a5cf6a6e3a1c800ffa8ad9c01cea5d603a0b670dbb41351cb3149", kill_on_drop: false }`
[INFO] [stdout] d1ade7d8563a5cf6a6e3a1c800ffa8ad9c01cea5d603a0b670dbb41351cb3149
[INFO] checking testdata-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate testdata 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate testdata 0.1.0 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 testdata 0.1.0
[INFO] finished tweaking crates.io crate testdata 0.1.0
[INFO] tweaked toml for crates.io crate testdata 0.1.0 written to /workspace/builds/worker-2-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 37 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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-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] 90ba97a1059ac7faca8731a65c2ac709cdb7eaade4e2374cb15dca5faebdd271
[INFO] running `Command { std: "docker" "start" "-a" "90ba97a1059ac7faca8731a65c2ac709cdb7eaade4e2374cb15dca5faebdd271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ba97a1059ac7faca8731a65c2ac709cdb7eaade4e2374cb15dca5faebdd271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ba97a1059ac7faca8731a65c2ac709cdb7eaade4e2374cb15dca5faebdd271", kill_on_drop: false }`
[INFO] [stdout] 90ba97a1059ac7faca8731a65c2ac709cdb7eaade4e2374cb15dca5faebdd271
[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] 24832e35a7a1f15c62111e138c048ce526444eb5ebaf0d58e0b474db97255464
[INFO] running `Command { std: "docker" "start" "-a" "24832e35a7a1f15c62111e138c048ce526444eb5ebaf0d58e0b474db97255464", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling utime v0.3.1
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling testdata-rt v0.1.0
[INFO] [stderr]    Compiling testdata-macros v0.1.0
[INFO] [stderr]     Checking testdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.23s
[INFO] running `Command { std: "docker" "inspect" "24832e35a7a1f15c62111e138c048ce526444eb5ebaf0d58e0b474db97255464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24832e35a7a1f15c62111e138c048ce526444eb5ebaf0d58e0b474db97255464", kill_on_drop: false }`
[INFO] [stdout] 24832e35a7a1f15c62111e138c048ce526444eb5ebaf0d58e0b474db97255464