[INFO] fetching crate nanocom 0.2.1...
[INFO] testing nanocom-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate nanocom 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nanocom 0.2.1
[INFO] finished tweaking crates.io crate nanocom 0.2.1
[INFO] tweaked toml for crates.io crate nanocom 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nanocom 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5dd1dafc3e39c552c2595d8b33a02f18760f17ece1f84710cc5fee06fbb6f48
[INFO] running `Command { std: "docker" "start" "-a" "d5dd1dafc3e39c552c2595d8b33a02f18760f17ece1f84710cc5fee06fbb6f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5dd1dafc3e39c552c2595d8b33a02f18760f17ece1f84710cc5fee06fbb6f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5dd1dafc3e39c552c2595d8b33a02f18760f17ece1f84710cc5fee06fbb6f48", kill_on_drop: false }`
[INFO] [stdout] d5dd1dafc3e39c552c2595d8b33a02f18760f17ece1f84710cc5fee06fbb6f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae1d6150eff34f2f340fe7ed6ef805bdd41cf25ffbe95e1a349eae2c7070bab
[INFO] running `Command { std: "docker" "start" "-a" "aae1d6150eff34f2f340fe7ed6ef805bdd41cf25ffbe95e1a349eae2c7070bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanocom v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cobject.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { Box::from_raw(m) };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stdout]    |                          +++++++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "aae1d6150eff34f2f340fe7ed6ef805bdd41cf25ffbe95e1a349eae2c7070bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae1d6150eff34f2f340fe7ed6ef805bdd41cf25ffbe95e1a349eae2c7070bab", kill_on_drop: false }`
[INFO] [stdout] aae1d6150eff34f2f340fe7ed6ef805bdd41cf25ffbe95e1a349eae2c7070bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc404e99ac76fdbe8c9e11b55e69d36d4ceb095e828a3358d761e4640e34952
[INFO] running `Command { std: "docker" "start" "-a" "fbc404e99ac76fdbe8c9e11b55e69d36d4ceb095e828a3358d761e4640e34952", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanocom v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cobject.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { Box::from_raw(m) };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stdout]    |                          +++++++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cobject.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { Box::from_raw(m) };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stdout]    |                          +++++++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "fbc404e99ac76fdbe8c9e11b55e69d36d4ceb095e828a3358d761e4640e34952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc404e99ac76fdbe8c9e11b55e69d36d4ceb095e828a3358d761e4640e34952", kill_on_drop: false }`
[INFO] [stdout] fbc404e99ac76fdbe8c9e11b55e69d36d4ceb095e828a3358d761e4640e34952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9eb2480e6f5360db6c611f56066ddb4b75dddc23ba69d751e788f445f9c51c1
[INFO] running `Command { std: "docker" "start" "-a" "d9eb2480e6f5360db6c611f56066ddb4b75dddc23ba69d751e788f445f9c51c1", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/cobject.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 unsafe { Box::from_raw(m) };
[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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stderr]    |                          +++++++                 +
[INFO] [stderr] 
[INFO] [stderr] warning: `nanocom` (lib) generated 1 warning
[INFO] [stderr] warning: `nanocom` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nanocom-66b6838333631ca4)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test use_number::test ... ok
[INFO] [stdout] test use_destructor::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test use_destructor::test ... ok
[INFO] [stdout] test use_number::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/it.rs (/opt/rustwide/target/debug/deps/it-386740ea2fd2958a)
[INFO] [stderr]      Running tests/itmod.rs (/opt/rustwide/target/debug/deps/itmod-b952fe69e01afb09)
[INFO] [stderr]    Doc-tests nanocom
[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" "d9eb2480e6f5360db6c611f56066ddb4b75dddc23ba69d751e788f445f9c51c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9eb2480e6f5360db6c611f56066ddb4b75dddc23ba69d751e788f445f9c51c1", kill_on_drop: false }`
[INFO] [stdout] d9eb2480e6f5360db6c611f56066ddb4b75dddc23ba69d751e788f445f9c51c1