[INFO] fetching crate tracing-layer-slack 0.8.1...
[INFO] checking tracing-layer-slack-0.8.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate tracing-layer-slack 0.8.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tracing-layer-slack 0.8.1
[INFO] finished tweaking crates.io crate tracing-layer-slack 0.8.1
[INFO] tweaked toml for crates.io crate tracing-layer-slack 0.8.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-layer-slack 0.8.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 208 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_print v1.0.0
[INFO] [stderr]   Downloaded tracing-bunyan-formatter v0.3.10
[INFO] [stderr]   Downloaded tracing-layer-core v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbf19ac10224cf7b2522d9d5c49947a5ad5db87b06606c39ef878496ae9c95fe
[INFO] running `Command { std: "docker" "start" "-a" "cbf19ac10224cf7b2522d9d5c49947a5ad5db87b06606c39ef878496ae9c95fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf19ac10224cf7b2522d9d5c49947a5ad5db87b06606c39ef878496ae9c95fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf19ac10224cf7b2522d9d5c49947a5ad5db87b06606c39ef878496ae9c95fe", kill_on_drop: false }`
[INFO] [stdout] cbf19ac10224cf7b2522d9d5c49947a5ad5db87b06606c39ef878496ae9c95fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91837b964aa4ee03d8b51c90b8d9d70511548b51711a52c26f10744b647877e6
[INFO] running `Command { std: "docker" "start" "-a" "91837b964aa4ee03d8b51c90b8d9d70511548b51711a52c26f10744b647877e6", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking webpki-roots v1.0.1
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking async-compression v0.4.25
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking h2 v0.4.10
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.3.10
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper-util v0.1.14
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.12.20
[INFO] [stderr]     Checking tracing-layer-core v0.3.0
[INFO] [stderr]     Checking tracing-layer-slack v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.09s
[INFO] running `Command { std: "docker" "inspect" "91837b964aa4ee03d8b51c90b8d9d70511548b51711a52c26f10744b647877e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91837b964aa4ee03d8b51c90b8d9d70511548b51711a52c26f10744b647877e6", kill_on_drop: false }`
[INFO] [stdout] 91837b964aa4ee03d8b51c90b8d9d70511548b51711a52c26f10744b647877e6