[INFO] fetching crate send_slack 0.1.0...
[INFO] testing send_slack-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate send_slack 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate send_slack 0.1.0
[INFO] finished tweaking crates.io crate send_slack 0.1.0
[INFO] tweaked toml for crates.io crate send_slack 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate send_slack 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding urlencoding v1.3.3 (available: v2.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v1.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9dc4650e1f77c62068b07dbf707eb6d3e3104ac522b6512de1d5de885ac61bf
[INFO] running `Command { std: "docker" "start" "-a" "a9dc4650e1f77c62068b07dbf707eb6d3e3104ac522b6512de1d5de885ac61bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9dc4650e1f77c62068b07dbf707eb6d3e3104ac522b6512de1d5de885ac61bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9dc4650e1f77c62068b07dbf707eb6d3e3104ac522b6512de1d5de885ac61bf", kill_on_drop: false }`
[INFO] [stdout] a9dc4650e1f77c62068b07dbf707eb6d3e3104ac522b6512de1d5de885ac61bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae64410a1bd921d0752aa72fdf59faccd448ec307520101caa4ff96c72f987ec
[INFO] running `Command { std: "docker" "start" "-a" "ae64410a1bd921d0752aa72fdf59faccd448ec307520101caa4ff96c72f987ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling send_slack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]  --> src/lib.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::os::windows::process::CommandExt;
[INFO] [stdout]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/os/mod.rs:56:4
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated here
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/os/mod.rs:120:9
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `creation_flags` found for struct `Command` in the current scope
[INFO] [stdout]   --> src/lib.rs:11:54
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _res = std::process::Command::new("cmd.exe").creation_flags(CREATE_NO_WINDOW).args(&["/C", &cmd]).output().expect("failed to...
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^ method not found in `Command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `send_slack` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae64410a1bd921d0752aa72fdf59faccd448ec307520101caa4ff96c72f987ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae64410a1bd921d0752aa72fdf59faccd448ec307520101caa4ff96c72f987ec", kill_on_drop: false }`
[INFO] [stdout] ae64410a1bd921d0752aa72fdf59faccd448ec307520101caa4ff96c72f987ec
