[INFO] cloning repository https://github.com/shawakash/low_level_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shawakash/low_level_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawakash%2Flow_level_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawakash%2Flow_level_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ef69f15490b661f22931fd80092c8ac0fd243a
[INFO] testing shawakash/low_level_rust against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawakash%2Flow_level_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shawakash/low_level_rust
[INFO] finished tweaking git repo https://github.com/shawakash/low_level_rust
[INFO] tweaked toml for git repo https://github.com/shawakash/low_level_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shawakash/low_level_rust on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shawakash/low_level_rust 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbbd28d58e106b75937b8c274c59a0c0c30e454e21aa976075faaed5b3087f0f
[INFO] running `Command { std: "docker" "start" "-a" "dbbd28d58e106b75937b8c274c59a0c0c30e454e21aa976075faaed5b3087f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbbd28d58e106b75937b8c274c59a0c0c30e454e21aa976075faaed5b3087f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbd28d58e106b75937b8c274c59a0c0c30e454e21aa976075faaed5b3087f0f", kill_on_drop: false }`
[INFO] [stdout] dbbd28d58e106b75937b8c274c59a0c0c30e454e21aa976075faaed5b3087f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18beca82f0c757f0bb71691725d8e087c1bc674285e9cad2c980795700f7aecc
[INFO] running `Command { std: "docker" "start" "-a" "18beca82f0c757f0bb71691725d8e087c1bc674285e9cad2c980795700f7aecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pointers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IteratorExt`, `cell::Cell`, and `flatten`
[INFO] [stdout]  --> src/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::Cell,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 3 |     iter::{flatten, IteratorExt},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod test;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/box_m.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe { Box::from_raw(self.value) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 17 |         unsafe { let _ = Box::from_raw(self.value); };
[INFO] [stdout]    |                  +++++++                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18beca82f0c757f0bb71691725d8e087c1bc674285e9cad2c980795700f7aecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18beca82f0c757f0bb71691725d8e087c1bc674285e9cad2c980795700f7aecc", kill_on_drop: false }`
[INFO] [stdout] 18beca82f0c757f0bb71691725d8e087c1bc674285e9cad2c980795700f7aecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e276cc6b767dd25714806af3bdb635c4ec1f17e6bb438d3e6748d4982b56605
[INFO] running `Command { std: "docker" "start" "-a" "7e276cc6b767dd25714806af3bdb635c4ec1f17e6bb438d3e6748d4982b56605", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `IteratorExt`, `cell::Cell`, and `flatten`
[INFO] [stdout]  --> src/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::Cell,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 3 |     iter::{flatten, IteratorExt},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod test;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/box_m.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe { Box::from_raw(self.value) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 17 |         unsafe { let _ = Box::from_raw(self.value); };
[INFO] [stdout]    |                  +++++++                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pointers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/box_m.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert_eq!(unsafe { *bm }, 32);
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/box_m.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe { Box::from_raw(self.value) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 17 |         unsafe { let _ = Box::from_raw(self.value); };
[INFO] [stdout]    |                  +++++++                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "7e276cc6b767dd25714806af3bdb635c4ec1f17e6bb438d3e6748d4982b56605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e276cc6b767dd25714806af3bdb635c4ec1f17e6bb438d3e6748d4982b56605", kill_on_drop: false }`
[INFO] [stdout] 7e276cc6b767dd25714806af3bdb635c4ec1f17e6bb438d3e6748d4982b56605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60354daa5a3ca2201bb593c44b0f7e10c43f43fc1b1a82853760c5c43fd650ee
[INFO] running `Command { std: "docker" "start" "-a" "60354daa5a3ca2201bb593c44b0f7e10c43f43fc1b1a82853760c5c43fd650ee", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `IteratorExt`, `cell::Cell`, and `flatten`
[INFO] [stderr]  --> src/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cell::Cell,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 3 |     iter::{flatten, IteratorExt},
[INFO] [stderr]   |            ^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod test;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/box_m.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |         unsafe { Box::from_raw(self.value) };
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 17 |         unsafe { let _ = Box::from_raw(self.value); };
[INFO] [stderr]    |                  +++++++                          +
[INFO] [stderr] 
[INFO] [stderr] warning: `pointers` (lib) generated 2 warnings (run `cargo fix --lib -p pointers` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/box_m.rs:44:16
[INFO] [stderr]    |
[INFO] [stderr] 44 |     assert_eq!(unsafe { *bm }, 32);
[INFO] [stderr]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pointers` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pointers-d67470b128faca79)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test channel::closed_tx ... ok
[INFO] [stdout] test box_m::boxm_init ... ok
[INFO] [stdout] test channel::ping_pong ... ok
[INFO] [stdout] test channel::closed_rx ... ok
[INFO] [stdout] test test::both_ends ... ok
[INFO] [stdout] test test::deep ... ok
[INFO] [stdout] test test::empty_wide ... ok
[INFO] [stdout] test test::ext ... ok
[INFO] [stdout] test test::inf ... ok
[INFO] [stdout] test test::one ... ok
[INFO] [stdout] test test::reverse ... ok
[INFO] [stdout] test test::reverse_wide ... ok
[INFO] [stdout] test test::empty ... ok
[INFO] [stdout] test mutex::test_mutex ... ok
[INFO] [stdout] test test::test_cell ... ok
[INFO] [stdout] test test::two ... ok
[INFO] [stdout] test test::two_wide ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pointers
[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" "60354daa5a3ca2201bb593c44b0f7e10c43f43fc1b1a82853760c5c43fd650ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60354daa5a3ca2201bb593c44b0f7e10c43f43fc1b1a82853760c5c43fd650ee", kill_on_drop: false }`
[INFO] [stdout] 60354daa5a3ca2201bb593c44b0f7e10c43f43fc1b1a82853760c5c43fd650ee