[INFO] fetching crate leak_slice 0.2.0...
[INFO] testing leak_slice-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate leak_slice 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate leak_slice 0.2.0
[INFO] finished tweaking crates.io crate leak_slice 0.2.0
[INFO] tweaked toml for crates.io crate leak_slice 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leak_slice 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29705dbfe15176054e58fd839440eb7acd1fa377a4fa4bf1534aaf5b9e126f22
[INFO] running `Command { std: "docker" "start" "-a" "29705dbfe15176054e58fd839440eb7acd1fa377a4fa4bf1534aaf5b9e126f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29705dbfe15176054e58fd839440eb7acd1fa377a4fa4bf1534aaf5b9e126f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29705dbfe15176054e58fd839440eb7acd1fa377a4fa4bf1534aaf5b9e126f22", kill_on_drop: false }`
[INFO] [stdout] 29705dbfe15176054e58fd839440eb7acd1fa377a4fa4bf1534aaf5b9e126f22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26c36a83c179138c4b31124a82c0095894577ba14fba5056eb61e7f9dc87eede
[INFO] running `Command { std: "docker" "start" "-a" "26c36a83c179138c4b31124a82c0095894577ba14fba5056eb61e7f9dc87eede", kill_on_drop: false }`
[INFO] [stderr]    Compiling leak_slice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "26c36a83c179138c4b31124a82c0095894577ba14fba5056eb61e7f9dc87eede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c36a83c179138c4b31124a82c0095894577ba14fba5056eb61e7f9dc87eede", kill_on_drop: false }`
[INFO] [stdout] 26c36a83c179138c4b31124a82c0095894577ba14fba5056eb61e7f9dc87eede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c619922c351aacebe0f7a61a820d03d16cde072b0c26ad763d1d9e5ccadc6e0
[INFO] running `Command { std: "docker" "start" "-a" "5c619922c351aacebe0f7a61a820d03d16cde072b0c26ad763d1d9e5ccadc6e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling leak_slice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/leak.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     forget(slice);
[INFO] [stdout]    |     ^^^^^^^-----^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            argument has type `&mut [i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 10 -     forget(slice);
[INFO] [stdout] 10 +     let _ = slice;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "5c619922c351aacebe0f7a61a820d03d16cde072b0c26ad763d1d9e5ccadc6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c619922c351aacebe0f7a61a820d03d16cde072b0c26ad763d1d9e5ccadc6e0", kill_on_drop: false }`
[INFO] [stdout] 5c619922c351aacebe0f7a61a820d03d16cde072b0c26ad763d1d9e5ccadc6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fac460e1fd4e467fe31106dff3adc127f87f093eafcc671f8e7562a0753054a
[INFO] running `Command { std: "docker" "start" "-a" "5fac460e1fd4e467fe31106dff3adc127f87f093eafcc671f8e7562a0753054a", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> tests/leak.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     forget(slice);
[INFO] [stderr]    |     ^^^^^^^-----^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            argument has type `&mut [i32]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 10 -     forget(slice);
[INFO] [stderr] 10 +     let _ = slice;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `leak_slice` (test "leak") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leak_slice-04caf8ee1ea3f545)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/leak.rs (/opt/rustwide/target/debug/deps/leak-865f940341880032)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test leak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leak_slice
[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" "5fac460e1fd4e467fe31106dff3adc127f87f093eafcc671f8e7562a0753054a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fac460e1fd4e467fe31106dff3adc127f87f093eafcc671f8e7562a0753054a", kill_on_drop: false }`
[INFO] [stdout] 5fac460e1fd4e467fe31106dff3adc127f87f093eafcc671f8e7562a0753054a