[INFO] fetching crate cborg 0.3.0...
[INFO] testing cborg-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cborg 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cborg 0.3.0
[INFO] finished tweaking crates.io crate cborg 0.3.0
[INFO] tweaked toml for crates.io crate cborg 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cborg 0.3.0 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e9f0ede022c0000b1dfceeab0d6f87ac420150c1fd5878e55964c31843bbef5a
[INFO] running `Command { std: "docker" "start" "-a" "e9f0ede022c0000b1dfceeab0d6f87ac420150c1fd5878e55964c31843bbef5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f0ede022c0000b1dfceeab0d6f87ac420150c1fd5878e55964c31843bbef5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f0ede022c0000b1dfceeab0d6f87ac420150c1fd5878e55964c31843bbef5a", kill_on_drop: false }`
[INFO] [stdout] e9f0ede022c0000b1dfceeab0d6f87ac420150c1fd5878e55964c31843bbef5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f303f7b1fb32ab05e5ed7bf0dfed2c82b105c1aa112523663fc549c01b6bcc7c
[INFO] running `Command { std: "docker" "start" "-a" "f303f7b1fb32ab05e5ed7bf0dfed2c82b105c1aa112523663fc549c01b6bcc7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cborg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/lib.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CborError {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 41 |     kind: ErrorKind,
[INFO] [stdout] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CborError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/value/types.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let y: u64 = unsafe { std::mem::transmute::<f64, u64>(*x) };
[INFO] [stdout]     |                                       -------------------------------^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "f303f7b1fb32ab05e5ed7bf0dfed2c82b105c1aa112523663fc549c01b6bcc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f303f7b1fb32ab05e5ed7bf0dfed2c82b105c1aa112523663fc549c01b6bcc7c", kill_on_drop: false }`
[INFO] [stdout] f303f7b1fb32ab05e5ed7bf0dfed2c82b105c1aa112523663fc549c01b6bcc7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0d5f74bc47048f9fbebf2599b5c8dd813c8fa8df706a17d39fbe5af841d4c47e
[INFO] running `Command { std: "docker" "start" "-a" "0d5f74bc47048f9fbebf2599b5c8dd813c8fa8df706a17d39fbe5af841d4c47e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cborg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/lib.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CborError {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 41 |     kind: ErrorKind,
[INFO] [stdout] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CborError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/value/types.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let y: u64 = unsafe { std::mem::transmute::<f64, u64>(*x) };
[INFO] [stdout]     |                                       -------------------------------^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/lib.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CborError {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 41 |     kind: ErrorKind,
[INFO] [stdout] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CborError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/value/types.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let y: u64 = unsafe { std::mem::transmute::<f64, u64>(*x) };
[INFO] [stdout]     |                                       -------------------------------^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "0d5f74bc47048f9fbebf2599b5c8dd813c8fa8df706a17d39fbe5af841d4c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5f74bc47048f9fbebf2599b5c8dd813c8fa8df706a17d39fbe5af841d4c47e", kill_on_drop: false }`
[INFO] [stdout] 0d5f74bc47048f9fbebf2599b5c8dd813c8fa8df706a17d39fbe5af841d4c47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9354ff3816b7c2deaf72ae49a9096150782d057f8fa2ed5113567807f3caae5f
[INFO] running `Command { std: "docker" "start" "-a" "9354ff3816b7c2deaf72ae49a9096150782d057f8fa2ed5113567807f3caae5f", kill_on_drop: false }`
[INFO] [stderr] warning: field `error` is never read
[INFO] [stderr]   --> src/lib.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct CborError {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 41 |     kind: ErrorKind,
[INFO] [stderr] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CborError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/value/types.rs:107:27
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 let y: u64 = unsafe { std::mem::transmute::<f64, u64>(*x) };
[INFO] [stderr]     |                                       -------------------------------^^^^
[INFO] [stderr]     |                                       |
[INFO] [stderr]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cborg` (lib) generated 2 warnings (run `cargo fix --lib -p cborg` to apply 1 suggestion)
[INFO] [stderr] warning: `cborg` (lib test) generated 2 warnings (2 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/cborg-7f7368c339204cee)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-7559eb3e5292527a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test display_test ... ok
[INFO] [stdout] test decode_to_test ... ok
[INFO] [stdout] test decode_test ... ok
[INFO] [stdout] test encode_test ... ok
[INFO] [stdout] test type_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cborg
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - decode_to (line 325) ... ok
[INFO] [stdout] test src/lib.rs - encode (line 347) ... ok
[INFO] [stdout] test src/lib.rs - decode_to (line 317) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9354ff3816b7c2deaf72ae49a9096150782d057f8fa2ed5113567807f3caae5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9354ff3816b7c2deaf72ae49a9096150782d057f8fa2ed5113567807f3caae5f", kill_on_drop: false }`
[INFO] [stdout] 9354ff3816b7c2deaf72ae49a9096150782d057f8fa2ed5113567807f3caae5f
