[INFO] fetching crate slack-hook2 0.10.0...
[INFO] checking slack-hook2-0.10.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate slack-hook2 0.10.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate slack-hook2 0.10.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slack-hook2 0.10.0
[INFO] finished tweaking crates.io crate slack-hook2 0.10.0
[INFO] tweaked toml for crates.io crate slack-hook2 0.10.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 496e2cfb1fde7f9993b685b2851bb3b13945302b84d5b2fa0d7e3fee08d08308
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "496e2cfb1fde7f9993b685b2851bb3b13945302b84d5b2fa0d7e3fee08d08308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496e2cfb1fde7f9993b685b2851bb3b13945302b84d5b2fa0d7e3fee08d08308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496e2cfb1fde7f9993b685b2851bb3b13945302b84d5b2fa0d7e3fee08d08308", kill_on_drop: false }`
[INFO] [stdout] 496e2cfb1fde7f9993b685b2851bb3b13945302b84d5b2fa0d7e3fee08d08308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c60704b72e083827673dd714aacde725aa22dae6b1e46c4e52c3d4ac80c116
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25c60704b72e083827673dd714aacde725aa22dae6b1e46c4e52c3d4ac80c116", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking openssl-sys v0.9.60
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking openssl v0.10.32
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking slack-hook2 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.80s
[INFO] running `Command { std: "docker" "inspect" "25c60704b72e083827673dd714aacde725aa22dae6b1e46c4e52c3d4ac80c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c60704b72e083827673dd714aacde725aa22dae6b1e46c4e52c3d4ac80c116", kill_on_drop: false }`
[INFO] [stdout] 25c60704b72e083827673dd714aacde725aa22dae6b1e46c4e52c3d4ac80c116