[INFO] fetching crate useful_number 0.1.2... [INFO] testing useful_number-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate useful_number 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate useful_number 0.1.2 [INFO] finished tweaking crates.io crate useful_number 0.1.2 [INFO] tweaked toml for crates.io crate useful_number 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate useful_number 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50dd9cdf6f6eb6c54c4f90f69f50a0ef177f36382ad741a476b2ba2bbeb87f0d [INFO] running `Command { std: "docker" "start" "-a" "50dd9cdf6f6eb6c54c4f90f69f50a0ef177f36382ad741a476b2ba2bbeb87f0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50dd9cdf6f6eb6c54c4f90f69f50a0ef177f36382ad741a476b2ba2bbeb87f0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50dd9cdf6f6eb6c54c4f90f69f50a0ef177f36382ad741a476b2ba2bbeb87f0d", kill_on_drop: false }` [INFO] [stdout] 50dd9cdf6f6eb6c54c4f90f69f50a0ef177f36382ad741a476b2ba2bbeb87f0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4650adff42145f6bb4b4041e85f88caf22ee2c37e9450cb3ad9fbb6012c2bb5 [INFO] running `Command { std: "docker" "start" "-a" "d4650adff42145f6bb4b4041e85f88caf22ee2c37e9450cb3ad9fbb6012c2bb5", kill_on_drop: false }` [INFO] [stderr] Compiling useful_number v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "d4650adff42145f6bb4b4041e85f88caf22ee2c37e9450cb3ad9fbb6012c2bb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4650adff42145f6bb4b4041e85f88caf22ee2c37e9450cb3ad9fbb6012c2bb5", kill_on_drop: false }` [INFO] [stdout] d4650adff42145f6bb4b4041e85f88caf22ee2c37e9450cb3ad9fbb6012c2bb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5aab38589b18b2d58b8db53f252da099a68390ef2f910734c89d1e9b6967f3d [INFO] running `Command { std: "docker" "start" "-a" "b5aab38589b18b2d58b8db53f252da099a68390ef2f910734c89d1e9b6967f3d", kill_on_drop: false }` [INFO] [stderr] Compiling useful_number v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/updatable_num.rs:385:24 [INFO] [stdout] | [INFO] [stdout] 385 | assert_eq!(DROP_COUNTER, 1); [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/updatable_num.rs:407:24 [INFO] [stdout] | [INFO] [stdout] 407 | assert_eq!(DROP_COUNTER, 1); [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "b5aab38589b18b2d58b8db53f252da099a68390ef2f910734c89d1e9b6967f3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5aab38589b18b2d58b8db53f252da099a68390ef2f910734c89d1e9b6967f3d", kill_on_drop: false }` [INFO] [stdout] b5aab38589b18b2d58b8db53f252da099a68390ef2f910734c89d1e9b6967f3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c5ae13c29d1ca49d0aae4129c690c1cf0ce3ea9837464627a8894d3bc9a556c1 [INFO] running `Command { std: "docker" "start" "-a" "c5ae13c29d1ca49d0aae4129c690c1cf0ce3ea9837464627a8894d3bc9a556c1", kill_on_drop: false }` [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/updatable_num.rs:385:24 [INFO] [stderr] | [INFO] [stderr] 385 | assert_eq!(DROP_COUNTER, 1); [INFO] [stderr] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/updatable_num.rs:407:24 [INFO] [stderr] | [INFO] [stderr] 407 | assert_eq!(DROP_COUNTER, 1); [INFO] [stderr] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] [INFO] [stderr] warning: `useful_number` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/useful_number-6f60a4bb7e81acc5) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test updatable_num::tests::compare_test ... ok [INFO] [stdout] test updatable_num::tests::drop_test ... ok [INFO] [stdout] test compact_num::tests::get_value ... ok [INFO] [stdout] test updatable_num::tests::new_and_update_i128 ... ok [INFO] [stdout] test updatable_num::tests::new_and_update_u32 ... ok [INFO] [stdout] test updatable_num::tests::test_take ... ok [INFO] [stdout] test updatable_num::tests::drop_test_update ... ok [INFO] [stdout] test compact_num::tests::set_exception_value - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests useful_number [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" "c5ae13c29d1ca49d0aae4129c690c1cf0ce3ea9837464627a8894d3bc9a556c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5ae13c29d1ca49d0aae4129c690c1cf0ce3ea9837464627a8894d3bc9a556c1", kill_on_drop: false }` [INFO] [stdout] c5ae13c29d1ca49d0aae4129c690c1cf0ce3ea9837464627a8894d3bc9a556c1