[INFO] fetching crate numberer 0.2.0...
[INFO] testing numberer-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate numberer 0.2.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate numberer 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numberer 0.2.0
[INFO] finished tweaking crates.io crate numberer 0.2.0
[INFO] tweaked toml for crates.io crate numberer 0.2.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 845fbbb361336ee2ecb45d5b794758eac0aa85ad18819464d9775b9588879aea
[INFO] running `Command { std: "docker" "start" "-a" "845fbbb361336ee2ecb45d5b794758eac0aa85ad18819464d9775b9588879aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "845fbbb361336ee2ecb45d5b794758eac0aa85ad18819464d9775b9588879aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845fbbb361336ee2ecb45d5b794758eac0aa85ad18819464d9775b9588879aea", kill_on_drop: false }`
[INFO] [stdout] 845fbbb361336ee2ecb45d5b794758eac0aa85ad18819464d9775b9588879aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c7c5b9a373bce426ca40a390cec4eef8dfaae1c85bb256cba0fed0d44cfc63
[INFO] running `Command { std: "docker" "start" "-a" "09c7c5b9a373bce426ca40a390cec4eef8dfaae1c85bb256cba0fed0d44cfc63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling numberer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/lib.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[serde(from = "SerializedNumberer<T>", into = "SerializedNumberer<T>")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 53 | #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                                       --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "09c7c5b9a373bce426ca40a390cec4eef8dfaae1c85bb256cba0fed0d44cfc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c7c5b9a373bce426ca40a390cec4eef8dfaae1c85bb256cba0fed0d44cfc63", kill_on_drop: false }`
[INFO] [stdout] 09c7c5b9a373bce426ca40a390cec4eef8dfaae1c85bb256cba0fed0d44cfc63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b41ae2e6109a678147a10466ee26d4b7beb466b23de1c1af5c52ceb9707c37f
[INFO] running `Command { std: "docker" "start" "-a" "4b41ae2e6109a678147a10466ee26d4b7beb466b23de1c1af5c52ceb9707c37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/lib.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[serde(from = "SerializedNumberer<T>", into = "SerializedNumberer<T>")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 53 | #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                                       --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling numberer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/lib.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[serde(from = "SerializedNumberer<T>", into = "SerializedNumberer<T>")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 53 | #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                                       --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "4b41ae2e6109a678147a10466ee26d4b7beb466b23de1c1af5c52ceb9707c37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b41ae2e6109a678147a10466ee26d4b7beb466b23de1c1af5c52ceb9707c37f", kill_on_drop: false }`
[INFO] [stdout] 4b41ae2e6109a678147a10466ee26d4b7beb466b23de1c1af5c52ceb9707c37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd3f2d4c439cfe9a630e24f164d9cbc7f725107d8cdf294d74bed39d6849e8e5
[INFO] running `Command { std: "docker" "start" "-a" "cd3f2d4c439cfe9a630e24f164d9cbc7f725107d8cdf294d74bed39d6849e8e5", 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] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/lib.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[serde(from = "SerializedNumberer<T>", into = "SerializedNumberer<T>")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 53 | #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
[INFO] [stderr]    |                                       --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: `numberer` (lib) generated 1 warning
[INFO] [stderr] warning: `numberer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/numberer-4a3429e52927f52f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::serialization_roundtrip_results_in_same_numberer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests numberer
[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" "cd3f2d4c439cfe9a630e24f164d9cbc7f725107d8cdf294d74bed39d6849e8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3f2d4c439cfe9a630e24f164d9cbc7f725107d8cdf294d74bed39d6849e8e5", kill_on_drop: false }`
[INFO] [stdout] cd3f2d4c439cfe9a630e24f164d9cbc7f725107d8cdf294d74bed39d6849e8e5
