[INFO] fetching crate tracing-tree 0.3.0...
[INFO] checking tracing-tree-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tracing-tree 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tracing-tree 0.3.0 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 tracing-tree 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-tree 0.3.0
[INFO] tweaked toml for crates.io crate tracing-tree 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracing-tree 0.3.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-platform v0.1.4
[INFO] [stderr]   Downloaded ui_test v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a824a259af1b582333687d3bf8f3c5b94a90b21121782e9e2bd0d65b688eb215
[INFO] running `Command { std: "docker" "start" "-a" "a824a259af1b582333687d3bf8f3c5b94a90b21121782e9e2bd0d65b688eb215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a824a259af1b582333687d3bf8f3c5b94a90b21121782e9e2bd0d65b688eb215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a824a259af1b582333687d3bf8f3c5b94a90b21121782e9e2bd0d65b688eb215", kill_on_drop: false }`
[INFO] [stdout] a824a259af1b582333687d3bf8f3c5b94a90b21121782e9e2bd0d65b688eb215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3869160b5cbdfbf6110eb2350c94ddfa66460d838613404a9f724c29eae90dff
[INFO] running `Command { std: "docker" "start" "-a" "3869160b5cbdfbf6110eb2350c94ddfa66460d838613404a9f724c29eae90dff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking tracing-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking cargo-platform v0.1.4
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Checking ui_test v0.7.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.99s
[INFO] running `Command { std: "docker" "inspect" "3869160b5cbdfbf6110eb2350c94ddfa66460d838613404a9f724c29eae90dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3869160b5cbdfbf6110eb2350c94ddfa66460d838613404a9f724c29eae90dff", kill_on_drop: false }`
[INFO] [stdout] 3869160b5cbdfbf6110eb2350c94ddfa66460d838613404a9f724c29eae90dff
[INFO] checking tracing-tree-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tracing-tree 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tracing-tree 0.3.0 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 tracing-tree 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-tree 0.3.0
[INFO] tweaked toml for crates.io crate tracing-tree 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracing-tree 0.3.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e7356e8fe9d5f05bdfc5faf1b319f02b547b421c6fc475e8357928aa90aacf26
[INFO] running `Command { std: "docker" "start" "-a" "e7356e8fe9d5f05bdfc5faf1b319f02b547b421c6fc475e8357928aa90aacf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7356e8fe9d5f05bdfc5faf1b319f02b547b421c6fc475e8357928aa90aacf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7356e8fe9d5f05bdfc5faf1b319f02b547b421c6fc475e8357928aa90aacf26", kill_on_drop: false }`
[INFO] [stdout] e7356e8fe9d5f05bdfc5faf1b319f02b547b421c6fc475e8357928aa90aacf26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4ea5804b226de62ad83cfa8d4f6b490575813d883b26a1f9c856bd2fdb1334db
[INFO] running `Command { std: "docker" "start" "-a" "4ea5804b226de62ad83cfa8d4f6b490575813d883b26a1f9c856bd2fdb1334db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking tracing-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking cargo-platform v0.1.4
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Checking ui_test v0.7.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.17s
[INFO] running `Command { std: "docker" "inspect" "4ea5804b226de62ad83cfa8d4f6b490575813d883b26a1f9c856bd2fdb1334db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea5804b226de62ad83cfa8d4f6b490575813d883b26a1f9c856bd2fdb1334db", kill_on_drop: false }`
[INFO] [stdout] 4ea5804b226de62ad83cfa8d4f6b490575813d883b26a1f9c856bd2fdb1334db