[INFO] fetching crate slackbot 0.2.0...
[INFO] checking slackbot-0.2.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate slackbot 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate slackbot 0.2.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slackbot 0.2.0
[INFO] finished tweaking crates.io crate slackbot 0.2.0
[INFO] tweaked toml for crates.io crate slackbot 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 141 packages to latest compatible versions
[INFO] [stderr]       Adding openssl v0.10.7 (available: v0.10.68)
[INFO] [stderr]       Adding openssl-sys v0.9.30 (available: v0.9.104)
[INFO] [stderr]       Adding serde_json v0.6.1 (available: v1.0.133)
[INFO] [stderr]       Adding slack v0.8.3 (available: v0.25.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded websocket v0.12.2
[INFO] [stderr]   Downloaded cookie v0.1.21
[INFO] [stderr]   Downloaded openssl-sys v0.6.7
[INFO] [stderr]   Downloaded openssl v0.6.7
[INFO] [stderr]   Downloaded language-tags v0.0.7
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded hyper v0.6.16
[INFO] [stderr]   Downloaded openssl v0.10.7
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded serde_json v0.6.1
[INFO] [stderr]   Downloaded slack v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff90b161906832f601f5aa454028006af34a54892e7016971c904660af31c649
[INFO] running `Command { std: "docker" "start" "-a" "ff90b161906832f601f5aa454028006af34a54892e7016971c904660af31c649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff90b161906832f601f5aa454028006af34a54892e7016971c904660af31c649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff90b161906832f601f5aa454028006af34a54892e7016971c904660af31c649", kill_on_drop: false }`
[INFO] [stdout] ff90b161906832f601f5aa454028006af34a54892e7016971c904660af31c649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b4ca4884f64f275deb45fbfdd82cf469f1ff626a7542459433c5e3c4ca1cb9
[INFO] running `Command { std: "docker" "start" "-a" "e8b4ca4884f64f275deb45fbfdd82cf469f1ff626a7542459433c5e3c4ca1cb9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] error: multiple packages link to native library `openssl`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.6.7`
[INFO] [stderr]     ... which satisfies dependency `openssl-sys = "^0.6.7"` (locked to 0.6.7) of package `openssl v0.6.7`
[INFO] [stderr]     ... which satisfies dependency `openssl = "~0.6.4"` (locked to 0.6.7) of package `slack v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `slack = "^0.8.2"` (locked to 0.8.3) of package `slackbot v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.30`
[INFO] [stderr]     ... which satisfies dependency `openssl-sys = "^0.9.30"` (locked to 0.9.30) of package `openssl v0.10.7`
[INFO] [stderr]     ... which satisfies dependency `openssl = "*"` (locked to 0.10.7) of package `websocket v0.12.2`
[INFO] [stderr]     ... which satisfies dependency `websocket = "~0.12.2"` (locked to 0.12.2) of package `slack v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `slack = "^0.8.2"` (locked to 0.8.3) of package `slackbot v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "e8b4ca4884f64f275deb45fbfdd82cf469f1ff626a7542459433c5e3c4ca1cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b4ca4884f64f275deb45fbfdd82cf469f1ff626a7542459433c5e3c4ca1cb9", kill_on_drop: false }`
[INFO] [stdout] e8b4ca4884f64f275deb45fbfdd82cf469f1ff626a7542459433c5e3c4ca1cb9