[INFO] fetching crate slack-log 2.1.0...
[INFO] testing slack-log-2.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate slack-log 2.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate slack-log 2.1.0
[INFO] finished tweaking crates.io crate slack-log 2.1.0
[INFO] tweaked toml for crates.io crate slack-log 2.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack-log 2.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slack-log 2.1.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bbd102d0bbd80ab6b0d0ec0bd54a2a32124ee0f7d657871c1546a57e911b5ed
[INFO] running `Command { std: "docker" "start" "-a" "7bbd102d0bbd80ab6b0d0ec0bd54a2a32124ee0f7d657871c1546a57e911b5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bbd102d0bbd80ab6b0d0ec0bd54a2a32124ee0f7d657871c1546a57e911b5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbd102d0bbd80ab6b0d0ec0bd54a2a32124ee0f7d657871c1546a57e911b5ed", kill_on_drop: false }`
[INFO] [stdout] 7bbd102d0bbd80ab6b0d0ec0bd54a2a32124ee0f7d657871c1546a57e911b5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16420aee95f9549cf4e8932e64298af98bdf5bed5632c7f765dacd952cf87762
[INFO] running `Command { std: "docker" "start" "-a" "16420aee95f9549cf4e8932e64298af98bdf5bed5632c7f765dacd952cf87762", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[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 tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling rustls-webpki v0.103.4
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling h2 v0.4.11
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.22
[INFO] [stderr]    Compiling slack-log v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `slack` should have an upper case name
[INFO] [stdout]    --> src/logger.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub static slack: Slack = Slack;
[INFO] [stdout]     |            ^^^^^ help: convert the identifier to upper case: `SLACK`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.35s
[INFO] running `Command { std: "docker" "inspect" "16420aee95f9549cf4e8932e64298af98bdf5bed5632c7f765dacd952cf87762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16420aee95f9549cf4e8932e64298af98bdf5bed5632c7f765dacd952cf87762", kill_on_drop: false }`
[INFO] [stdout] 16420aee95f9549cf4e8932e64298af98bdf5bed5632c7f765dacd952cf87762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb37d37af921669d41b94e6858f0e89ffd6a0a57d58a52a64191a691715b463f
[INFO] running `Command { std: "docker" "start" "-a" "fb37d37af921669d41b94e6858f0e89ffd6a0a57d58a52a64191a691715b463f", kill_on_drop: false }`
[INFO] [stderr]    Compiling slack-log v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `slack` should have an upper case name
[INFO] [stdout]    --> src/logger.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub static slack: Slack = Slack;
[INFO] [stdout]     |            ^^^^^ help: convert the identifier to upper case: `SLACK`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `slack` should have an upper case name
[INFO] [stdout]    --> src/logger.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub static slack: Slack = Slack;
[INFO] [stdout]     |            ^^^^^ help: convert the identifier to upper case: `SLACK`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "fb37d37af921669d41b94e6858f0e89ffd6a0a57d58a52a64191a691715b463f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb37d37af921669d41b94e6858f0e89ffd6a0a57d58a52a64191a691715b463f", kill_on_drop: false }`
[INFO] [stdout] fb37d37af921669d41b94e6858f0e89ffd6a0a57d58a52a64191a691715b463f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] deb8326c07d70f28e4bb777131b28ce6cd3bf913d3caff71071970a5dc027e62
[INFO] running `Command { std: "docker" "start" "-a" "deb8326c07d70f28e4bb777131b28ce6cd3bf913d3caff71071970a5dc027e62", kill_on_drop: false }`
[INFO] [stderr] warning: static variable `slack` should have an upper case name
[INFO] [stderr]    --> src/logger.rs:255:12
[INFO] [stderr]     |
[INFO] [stderr] 255 | pub static slack: Slack = Slack;
[INFO] [stderr]     |            ^^^^^ help: convert the identifier to upper case: `SLACK`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slack-log` (lib) generated 1 warning
[INFO] [stderr] warning: `slack-log` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slack_log-9db53f309afc18c5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slack_log
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "deb8326c07d70f28e4bb777131b28ce6cd3bf913d3caff71071970a5dc027e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb8326c07d70f28e4bb777131b28ce6cd3bf913d3caff71071970a5dc027e62", kill_on_drop: false }`
[INFO] [stdout] deb8326c07d70f28e4bb777131b28ce6cd3bf913d3caff71071970a5dc027e62