[INFO] fetching crate cborg 0.3.0...
[INFO] testing cborg-0.3.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate cborg 0.3.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate cborg 0.3.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 798a8c23f76d31c8ece869a50307e24b94fbdb4403ba0220ef6c2667d10859f8
[INFO] running `Command { std: "docker" "start" "-a" "798a8c23f76d31c8ece869a50307e24b94fbdb4403ba0220ef6c2667d10859f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798a8c23f76d31c8ece869a50307e24b94fbdb4403ba0220ef6c2667d10859f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798a8c23f76d31c8ece869a50307e24b94fbdb4403ba0220ef6c2667d10859f8", kill_on_drop: false }`
[INFO] [stdout] 798a8c23f76d31c8ece869a50307e24b94fbdb4403ba0220ef6c2667d10859f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edc5597ccbf06ffbdf881a3c510fe7cb5d1131887e563178203c433cfe0096c0
[INFO] running `Command { std: "docker" "start" "-a" "edc5597ccbf06ffbdf881a3c510fe7cb5d1131887e563178203c433cfe0096c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cborg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]   --> src/lib.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "edc5597ccbf06ffbdf881a3c510fe7cb5d1131887e563178203c433cfe0096c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc5597ccbf06ffbdf881a3c510fe7cb5d1131887e563178203c433cfe0096c0", kill_on_drop: false }`
[INFO] [stdout] edc5597ccbf06ffbdf881a3c510fe7cb5d1131887e563178203c433cfe0096c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1989a494627bcf29fe5139320969d52ac18a2212f351b1ea0dd2d625c21a1897
[INFO] running `Command { std: "docker" "start" "-a" "1989a494627bcf29fe5139320969d52ac18a2212f351b1ea0dd2d625c21a1897", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]   --> src/lib.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cborg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]   --> src/lib.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "1989a494627bcf29fe5139320969d52ac18a2212f351b1ea0dd2d625c21a1897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1989a494627bcf29fe5139320969d52ac18a2212f351b1ea0dd2d625c21a1897", kill_on_drop: false }`
[INFO] [stdout] 1989a494627bcf29fe5139320969d52ac18a2212f351b1ea0dd2d625c21a1897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cae455730433c0d0410d387b9de9aec9e7defb5015306550550195f0fe11d81d
[INFO] running `Command { std: "docker" "start" "-a" "cae455730433c0d0410d387b9de9aec9e7defb5015306550550195f0fe11d81d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `error`
[INFO] [stderr]   --> src/lib.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     error: Box<dyn error::Error + Send + Sync>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cborg` (lib) generated 1 warning
[INFO] [stderr] warning: `cborg` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cborg-3d8d0cc7fbd226ca)
[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-a2586ba6fb0bcbd2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests cborg
[INFO] [stdout] test display_test ... ok
[INFO] [stdout] test decode_test ... ok
[INFO] [stdout] test decode_to_test ... ok
[INFO] [stdout] test type_test ... ok
[INFO] [stdout] test encode_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - encode (line 347) ... ok
[INFO] [stdout] test src/lib.rs - decode_to (line 317) ... ok
[INFO] [stdout] test src/lib.rs - decode_to (line 325) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cae455730433c0d0410d387b9de9aec9e7defb5015306550550195f0fe11d81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae455730433c0d0410d387b9de9aec9e7defb5015306550550195f0fe11d81d", kill_on_drop: false }`
[INFO] [stdout] cae455730433c0d0410d387b9de9aec9e7defb5015306550550195f0fe11d81d