[INFO] fetching crate slack-rust 0.0.1-alpha...
[INFO] testing slack-rust-0.0.1-alpha against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate slack-rust 0.0.1-alpha into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate slack-rust 0.0.1-alpha on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slack-rust 0.0.1-alpha
[INFO] finished tweaking crates.io crate slack-rust 0.0.1-alpha
[INFO] tweaked toml for crates.io crate slack-rust 0.0.1-alpha written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate slack-rust 0.0.1-alpha 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98b05f1ed1d506df7b6cb48b71450b6abbe24c74d445a75636f2f3f4d65957c1
[INFO] running `Command { std: "docker" "start" "-a" "98b05f1ed1d506df7b6cb48b71450b6abbe24c74d445a75636f2f3f4d65957c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b05f1ed1d506df7b6cb48b71450b6abbe24c74d445a75636f2f3f4d65957c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b05f1ed1d506df7b6cb48b71450b6abbe24c74d445a75636f2f3f4d65957c1", kill_on_drop: false }`
[INFO] [stdout] 98b05f1ed1d506df7b6cb48b71450b6abbe24c74d445a75636f2f3f4d65957c1
[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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673b03407d78010b0d799543b67d02c703c5966926207d045c90fbd2e4b13ab7
[INFO] running `Command { std: "docker" "start" "-a" "673b03407d78010b0d799543b67d02c703c5966926207d045c90fbd2e4b13ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.9
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling pin-project v1.0.9
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling async-tls v0.11.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]    Compiling js-sys v0.3.55
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_with v1.11.0
[INFO] [stderr]    Compiling tungstenite v0.16.0
[INFO] [stderr]    Compiling web-sys v0.3.55
[INFO] [stderr]    Compiling async-tungstenite v0.16.1
[INFO] [stderr]    Compiling http-client v6.5.1
[INFO] [stderr]    Compiling surf v2.3.2
[INFO] [stderr]    Compiling slack-rust v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 13s
[INFO] running `Command { std: "docker" "inspect" "673b03407d78010b0d799543b67d02c703c5966926207d045c90fbd2e4b13ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673b03407d78010b0d799543b67d02c703c5966926207d045c90fbd2e4b13ab7", kill_on_drop: false }`
[INFO] [stdout] 673b03407d78010b0d799543b67d02c703c5966926207d045c90fbd2e4b13ab7
[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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93146c295bac152fa9716f46d1d32fdd52d09918c7c10de37cd17e1ce1e4438a
[INFO] running `Command { std: "docker" "start" "-a" "93146c295bac152fa9716f46d1d32fdd52d09918c7c10de37cd17e1ce1e4438a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.2.3
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling mockall_derive v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v2.1.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling mockall v0.11.0
[INFO] [stderr]    Compiling slack-rust v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `slack-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name slack_rust --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=8b7a697bac4c1b63 -C extra-filename=-8b7a697bac4c1b63 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-f5d5040c842be3f9.rlib --extern async_tls=/opt/rustwide/target/debug/deps/libasync_tls-10e0fac0d76519a5.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-5948712c5bebbde8.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-b73fbd114889ad0d.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-fee8399745323a70.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-c70c80eaaf5ab5f0.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-740d323fc14fbd68.rlib --extern mockall=/opt/rustwide/target/debug/deps/libmockall-18a13ec2e51497b7.rlib --extern rustls=/opt/rustwide/target/debug/deps/librustls-55db1ab41b67dae9.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e9b9dec8fc04918a.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9486372e566de3a2.rlib --extern serde_with=/opt/rustwide/target/debug/deps/libserde_with-675b6a378e63a13c.rlib --extern surf=/opt/rustwide/target/debug/deps/libsurf-2909371ceab9bfd2.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-7c8138026f2d31b8.rlib --cap-lints=forbid -Copt-level=3 -L native=/opt/rustwide/target/debug/build/ring-aee9cf5dcda39150/out -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-093ad465c6e8e8e0/out/i/lib` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "93146c295bac152fa9716f46d1d32fdd52d09918c7c10de37cd17e1ce1e4438a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93146c295bac152fa9716f46d1d32fdd52d09918c7c10de37cd17e1ce1e4438a", kill_on_drop: false }`
[INFO] [stdout] 93146c295bac152fa9716f46d1d32fdd52d09918c7c10de37cd17e1ce1e4438a