[INFO] fetching crate send_slack 0.1.0...
[INFO] checking send_slack-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate send_slack 0.1.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate send_slack 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f89f5dd1e7a39dfb0ec7b741c7abd46ed6e2645002f3395a65f38a1f138f070d
[INFO] running `Command { std: "docker" "start" "-a" "f89f5dd1e7a39dfb0ec7b741c7abd46ed6e2645002f3395a65f38a1f138f070d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f89f5dd1e7a39dfb0ec7b741c7abd46ed6e2645002f3395a65f38a1f138f070d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89f5dd1e7a39dfb0ec7b741c7abd46ed6e2645002f3395a65f38a1f138f070d", kill_on_drop: false }`
[INFO] [stdout] f89f5dd1e7a39dfb0ec7b741c7abd46ed6e2645002f3395a65f38a1f138f070d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898e3ee75c10b4b169fd3e82d85e486aabfcb9e516e3d970a1acf45f6b90ff64
[INFO] running `Command { std: "docker" "start" "-a" "898e3ee75c10b4b169fd3e82d85e486aabfcb9e516e3d970a1acf45f6b90ff64", kill_on_drop: false }`
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking 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/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:63:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]  --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:55:1
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:121:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]  --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:120:1
[INFO] [stdout] 
[INFO] [stdout] 
[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/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:63:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]  --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:55:1
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:121:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]  --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/os/mod.rs:120:1
[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 exec...
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^ method not found in `Command`
[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 exec...
[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] [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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `send_slack` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "898e3ee75c10b4b169fd3e82d85e486aabfcb9e516e3d970a1acf45f6b90ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898e3ee75c10b4b169fd3e82d85e486aabfcb9e516e3d970a1acf45f6b90ff64", kill_on_drop: false }`
[INFO] [stdout] 898e3ee75c10b4b169fd3e82d85e486aabfcb9e516e3d970a1acf45f6b90ff64