[INFO] fetching crate rust_cn 0.1.6...
[INFO] testing rust_cn-0.1.6 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rust_cn 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust_cn 0.1.6 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_cn 0.1.6
[INFO] finished tweaking crates.io crate rust_cn 0.1.6
[INFO] tweaked toml for crates.io crate rust_cn 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rust_cn 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a3a4385f3c0898108e8e0f42f46aa9e83634b7b36a308282285431c88e48173
[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" "0a3a4385f3c0898108e8e0f42f46aa9e83634b7b36a308282285431c88e48173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3a4385f3c0898108e8e0f42f46aa9e83634b7b36a308282285431c88e48173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3a4385f3c0898108e8e0f42f46aa9e83634b7b36a308282285431c88e48173", kill_on_drop: false }`
[INFO] [stdout] 0a3a4385f3c0898108e8e0f42f46aa9e83634b7b36a308282285431c88e48173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8a91601f09c18992a58c35f4b1be3279040b9e1cb158c206f0930c1448dca9
[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" "ab8a91601f09c18992a58c35f4b1be3279040b9e1cb158c206f0930c1448dca9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_cn v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]  --> src/windows.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os::windows::process::CommandExt;
[INFO] [stdout]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `creation_flags` found for struct `Command` in the current scope
[INFO] [stdout]   --> src/windows.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |         .creation_flags(0x08000000)
[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/windows.rs:120:10
[INFO] [stdout]     |
[INFO] [stdout] 120 |         .creation_flags(0x08000000)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ method not found in `Command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[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 `rust_cn` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab8a91601f09c18992a58c35f4b1be3279040b9e1cb158c206f0930c1448dca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8a91601f09c18992a58c35f4b1be3279040b9e1cb158c206f0930c1448dca9", kill_on_drop: false }`
[INFO] [stdout] ab8a91601f09c18992a58c35f4b1be3279040b9e1cb158c206f0930c1448dca9