[INFO] fetching crate slack_client_rs 0.4.0...
[INFO] building slack_client_rs-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate slack_client_rs 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate slack_client_rs 0.4.0
[INFO] finished tweaking crates.io crate slack_client_rs 0.4.0
[INFO] tweaked toml for crates.io crate slack_client_rs 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack_client_rs 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slack_client_rs 0.4.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c9225d4eac8fc0c34d160de7fad460b882196fe957987d332cbf8895ed14995
[INFO] running `Command { std: "docker" "start" "-a" "2c9225d4eac8fc0c34d160de7fad460b882196fe957987d332cbf8895ed14995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9225d4eac8fc0c34d160de7fad460b882196fe957987d332cbf8895ed14995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9225d4eac8fc0c34d160de7fad460b882196fe957987d332cbf8895ed14995", kill_on_drop: false }`
[INFO] [stdout] 2c9225d4eac8fc0c34d160de7fad460b882196fe957987d332cbf8895ed14995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4133d4495d7513c9bb46522d816e91d1312e4a115f25d2d02e092464897f4e4e
[INFO] running `Command { std: "docker" "start" "-a" "4133d4495d7513c9bb46522d816e91d1312e4a115f25d2d02e092464897f4e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling anyhow v1.0.88
[INFO] [stderr]    Compiling rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.3
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling ipnet v2.10.0
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper-util v0.1.8
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.7
[INFO] [stderr]    Compiling slack_client_rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.55s
[INFO] running `Command { std: "docker" "inspect" "4133d4495d7513c9bb46522d816e91d1312e4a115f25d2d02e092464897f4e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4133d4495d7513c9bb46522d816e91d1312e4a115f25d2d02e092464897f4e4e", kill_on_drop: false }`
[INFO] [stdout] 4133d4495d7513c9bb46522d816e91d1312e4a115f25d2d02e092464897f4e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 636900ebf3b19f0f5fc42486c93fad6717d1a4388d48da7a05e3fec3dd5eb226
[INFO] running `Command { std: "docker" "start" "-a" "636900ebf3b19f0f5fc42486c93fad6717d1a4388d48da7a05e3fec3dd5eb226", kill_on_drop: false }`
[INFO] [stderr]    Compiling slack_client_rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "636900ebf3b19f0f5fc42486c93fad6717d1a4388d48da7a05e3fec3dd5eb226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636900ebf3b19f0f5fc42486c93fad6717d1a4388d48da7a05e3fec3dd5eb226", kill_on_drop: false }`
[INFO] [stdout] 636900ebf3b19f0f5fc42486c93fad6717d1a4388d48da7a05e3fec3dd5eb226