[INFO] fetching crate semalock 0.3.1... [INFO] checking semalock-0.3.1 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744 [INFO] extracting crate semalock 0.3.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate semalock 0.3.1 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate semalock 0.3.1 [INFO] finished tweaking crates.io crate semalock 0.3.1 [INFO] tweaked toml for crates.io crate semalock 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ec492a80026ae3a75b0127f2dc6dba57a6402f4e24e6f998492d26cb72cb2faa [INFO] running `Command { std: "docker" "start" "-a" "ec492a80026ae3a75b0127f2dc6dba57a6402f4e24e6f998492d26cb72cb2faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec492a80026ae3a75b0127f2dc6dba57a6402f4e24e6f998492d26cb72cb2faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec492a80026ae3a75b0127f2dc6dba57a6402f4e24e6f998492d26cb72cb2faa", kill_on_drop: false }` [INFO] [stdout] ec492a80026ae3a75b0127f2dc6dba57a6402f4e24e6f998492d26cb72cb2faa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d05086dbcd08e0759b2b6d0f4389cd811da4e30ec109b30b5d7ce81ca46d4ed4 [INFO] running `Command { std: "docker" "start" "-a" "d05086dbcd08e0759b2b6d0f4389cd811da4e30ec109b30b5d7ce81ca46d4ed4", kill_on_drop: false }` [INFO] [stderr] Checking errno v0.2.7 [INFO] [stderr] Checking semalock v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:38:68 [INFO] [stdout] | [INFO] [stdout] 38 | .map_err(|e| format!("OpenOptions::open failed: {}", e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:51:71 [INFO] [stdout] | [INFO] [stdout] 51 | .map_err(|e| format!("CString::new failed: {}", e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:38:68 [INFO] [stdout] | [INFO] [stdout] 38 | .map_err(|e| format!("OpenOptions::open failed: {}", e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:51:71 [INFO] [stdout] | [INFO] [stdout] 51 | .map_err(|e| format!("CString::new failed: {}", e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d05086dbcd08e0759b2b6d0f4389cd811da4e30ec109b30b5d7ce81ca46d4ed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d05086dbcd08e0759b2b6d0f4389cd811da4e30ec109b30b5d7ce81ca46d4ed4", kill_on_drop: false }` [INFO] [stdout] d05086dbcd08e0759b2b6d0f4389cd811da4e30ec109b30b5d7ce81ca46d4ed4