[INFO] fetching crate si-loggy 0.1.0...
[INFO] testing si-loggy-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate si-loggy 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate si-loggy 0.1.0
[INFO] finished tweaking crates.io crate si-loggy 0.1.0
[INFO] tweaked toml for crates.io crate si-loggy 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate si-loggy 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate si-loggy 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 076e02eec6d20da729f665399190b82f01295c8335453356245cef8167e40207
[INFO] running `Command { std: "docker" "start" "-a" "076e02eec6d20da729f665399190b82f01295c8335453356245cef8167e40207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076e02eec6d20da729f665399190b82f01295c8335453356245cef8167e40207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076e02eec6d20da729f665399190b82f01295c8335453356245cef8167e40207", kill_on_drop: false }`
[INFO] [stdout] 076e02eec6d20da729f665399190b82f01295c8335453356245cef8167e40207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056463819e9a77db4d4470269bfbcc69b21dd79ae4a293823214c66dd4c16768
[INFO] running `Command { std: "docker" "start" "-a" "056463819e9a77db4d4470269bfbcc69b21dd79ae4a293823214c66dd4c16768", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling polling v3.7.2
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling si-loggy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> src/tee.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             writer.into_raw_fd(); // avoid closing the fd
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let _ = writer.into_raw_fd(); // avoid closing the fd
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.97s
[INFO] running `Command { std: "docker" "inspect" "056463819e9a77db4d4470269bfbcc69b21dd79ae4a293823214c66dd4c16768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056463819e9a77db4d4470269bfbcc69b21dd79ae4a293823214c66dd4c16768", kill_on_drop: false }`
[INFO] [stdout] 056463819e9a77db4d4470269bfbcc69b21dd79ae4a293823214c66dd4c16768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4de419d5350f693698ba9fd223d727a088644e8e91def2791e01aee819f37d3
[INFO] running `Command { std: "docker" "start" "-a" "e4de419d5350f693698ba9fd223d727a088644e8e91def2791e01aee819f37d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling si-loggy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> src/tee.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             writer.into_raw_fd(); // avoid closing the fd
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let _ = writer.into_raw_fd(); // avoid closing the fd
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e4de419d5350f693698ba9fd223d727a088644e8e91def2791e01aee819f37d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4de419d5350f693698ba9fd223d727a088644e8e91def2791e01aee819f37d3", kill_on_drop: false }`
[INFO] [stdout] e4de419d5350f693698ba9fd223d727a088644e8e91def2791e01aee819f37d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 469dc3fea92be74a6cf76e581f207b2c7bce1cc21b0542dfbd40d487cd580ae4
[INFO] running `Command { std: "docker" "start" "-a" "469dc3fea92be74a6cf76e581f207b2c7bce1cc21b0542dfbd40d487cd580ae4", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stderr]    --> src/tee.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             writer.into_raw_fd(); // avoid closing the fd
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: losing the raw file descriptor may leak resources
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let _ = writer.into_raw_fd(); // avoid closing the fd
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `si-loggy` (bin "loggy" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/loggy-e0a96aa78bb6a688)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "469dc3fea92be74a6cf76e581f207b2c7bce1cc21b0542dfbd40d487cd580ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469dc3fea92be74a6cf76e581f207b2c7bce1cc21b0542dfbd40d487cd580ae4", kill_on_drop: false }`
[INFO] [stdout] 469dc3fea92be74a6cf76e581f207b2c7bce1cc21b0542dfbd40d487cd580ae4