[INFO] fetching crate versioned 0.1.0...
[INFO] testing versioned-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate versioned 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate versioned 0.1.0
[INFO] finished tweaking crates.io crate versioned 0.1.0
[INFO] tweaked toml for crates.io crate versioned 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate versioned 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9fa4956f58580fda1fdb0323cf7428e548ffdd19f32d6f22122eceeb80e9ebc
[INFO] running `Command { std: "docker" "start" "-a" "e9fa4956f58580fda1fdb0323cf7428e548ffdd19f32d6f22122eceeb80e9ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9fa4956f58580fda1fdb0323cf7428e548ffdd19f32d6f22122eceeb80e9ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9fa4956f58580fda1fdb0323cf7428e548ffdd19f32d6f22122eceeb80e9ebc", kill_on_drop: false }`
[INFO] [stdout] e9fa4956f58580fda1fdb0323cf7428e548ffdd19f32d6f22122eceeb80e9ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b8d6d2a8ab3a0e6b7fa779cfb5cf4c0b40e3c60004d62f628b98a60b8fb18fc
[INFO] running `Command { std: "docker" "start" "-a" "8b8d6d2a8ab3a0e6b7fa779cfb5cf4c0b40e3c60004d62f628b98a60b8fb18fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling versioned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     #[must_use = "mutation will be counted even if mutable dereference result is not actually used"]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     #[must_use = "mutation will be counted even if mutable reference returned from as_mut() is not actually used"]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "8b8d6d2a8ab3a0e6b7fa779cfb5cf4c0b40e3c60004d62f628b98a60b8fb18fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8d6d2a8ab3a0e6b7fa779cfb5cf4c0b40e3c60004d62f628b98a60b8fb18fc", kill_on_drop: false }`
[INFO] [stdout] 8b8d6d2a8ab3a0e6b7fa779cfb5cf4c0b40e3c60004d62f628b98a60b8fb18fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] add1e67cb4b470c4b13092221f13494208a1934cbb8bf656a982b81517ce73ab
[INFO] running `Command { std: "docker" "start" "-a" "add1e67cb4b470c4b13092221f13494208a1934cbb8bf656a982b81517ce73ab", kill_on_drop: false }`
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     #[must_use = "mutation will be counted even if mutable dereference result is not actually used"]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     #[must_use = "mutation will be counted even if mutable reference returned from as_mut() is not actually used"]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling versioned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     #[must_use = "mutation will be counted even if mutable dereference result is not actually used"]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     #[must_use = "mutation will be counted even if mutable reference returned from as_mut() is not actually used"]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "add1e67cb4b470c4b13092221f13494208a1934cbb8bf656a982b81517ce73ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add1e67cb4b470c4b13092221f13494208a1934cbb8bf656a982b81517ce73ab", kill_on_drop: false }`
[INFO] [stdout] add1e67cb4b470c4b13092221f13494208a1934cbb8bf656a982b81517ce73ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9ccbc189719a3bd4c93559065da14acf1457437fa848a8d55f3efba9cf6b560
[INFO] running `Command { std: "docker" "start" "-a" "b9ccbc189719a3bd4c93559065da14acf1457437fa848a8d55f3efba9cf6b560", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     #[must_use = "mutation will be counted even if mutable dereference result is not actually used"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/lib.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/lib.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     #[must_use = "mutation will be counted even if mutable reference returned from as_mut() is not actually used"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `versioned` (lib) generated 4 warnings
[INFO] [stderr] warning: `versioned` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/versioned-9af9cf127c767ad2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::version_correct_on_default_with_version ... ok
[INFO] [stdout] test tests::version_reset_on_clone ... ok
[INFO] [stdout] test tests::version_unchanged_on_as_ref ... ok
[INFO] [stdout] test tests::version_zero_on_new ... ok
[INFO] [stdout] test tests::version_increment_on_as_mut ... ok
[INFO] [stdout] test tests::version_on_deref_coercion ... ok
[INFO] [stdout] test tests::version_correct_on_with_version ... ok
[INFO] [stdout] test tests::panic_on_version_overflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests versioned
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9ccbc189719a3bd4c93559065da14acf1457437fa848a8d55f3efba9cf6b560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ccbc189719a3bd4c93559065da14acf1457437fa848a8d55f3efba9cf6b560", kill_on_drop: false }`
[INFO] [stdout] b9ccbc189719a3bd4c93559065da14acf1457437fa848a8d55f3efba9cf6b560