[INFO] fetching crate libhoney-rust 0.1.6...
[INFO] testing libhoney-rust-0.1.6 against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] extracting crate libhoney-rust 0.1.6 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate libhoney-rust 0.1.6 on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libhoney-rust 0.1.6
[INFO] finished tweaking crates.io crate libhoney-rust 0.1.6
[INFO] tweaked toml for crates.io crate libhoney-rust 0.1.6 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate libhoney-rust 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "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-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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51129e53e2fe8952e965a6fd0c9e752bfe0c8f35fd57d64ecabe96e000ed0e63
[INFO] running `Command { std: "docker" "start" "-a" "51129e53e2fe8952e965a6fd0c9e752bfe0c8f35fd57d64ecabe96e000ed0e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51129e53e2fe8952e965a6fd0c9e752bfe0c8f35fd57d64ecabe96e000ed0e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51129e53e2fe8952e965a6fd0c9e752bfe0c8f35fd57d64ecabe96e000ed0e63", kill_on_drop: false }`
[INFO] [stdout] 51129e53e2fe8952e965a6fd0c9e752bfe0c8f35fd57d64ecabe96e000ed0e63
[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=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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b15ab39019f9b042bdcfec45b964844c763251239fb9dbfb1b9aa6df2b94acf
[INFO] running `Command { std: "docker" "start" "-a" "4b15ab39019f9b042bdcfec45b964844c763251239fb9dbfb1b9aa6df2b94acf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling futures-core v0.3.7
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[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling matches v0.1.8
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[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
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[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.7
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling libhoney-rust v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> src/client.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) options: Options,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_on_responses`
[INFO] [stdout]   --> src/mock.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     block_on_responses: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.43s
[INFO] running `Command { std: "docker" "inspect" "4b15ab39019f9b042bdcfec45b964844c763251239fb9dbfb1b9aa6df2b94acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b15ab39019f9b042bdcfec45b964844c763251239fb9dbfb1b9aa6df2b94acf", kill_on_drop: false }`
[INFO] [stdout] 4b15ab39019f9b042bdcfec45b964844c763251239fb9dbfb1b9aa6df2b94acf
[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=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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e4021a8b2c9b1cd34bc442ac9d65c17b77afd9166d2b3c6ae833a1b961928b
[INFO] running `Command { std: "docker" "start" "-a" "50e4021a8b2c9b1cd34bc442ac9d65c17b77afd9166d2b3c6ae833a1b961928b", 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]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> src/client.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) options: Options,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_on_responses`
[INFO] [stdout]   --> src/mock.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     block_on_responses: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling assert-json-diff v1.1.0
[INFO] [stderr]    Compiling mockito v0.28.0
[INFO] [stderr]    Compiling env_logger v0.8.1
[INFO] [stderr]    Compiling libhoney-rust v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `block_on_responses`
[INFO] [stdout]   --> src/mock.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     block_on_responses: bool,
[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 12.55s
[INFO] running `Command { std: "docker" "inspect" "50e4021a8b2c9b1cd34bc442ac9d65c17b77afd9166d2b3c6ae833a1b961928b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e4021a8b2c9b1cd34bc442ac9d65c17b77afd9166d2b3c6ae833a1b961928b", kill_on_drop: false }`
[INFO] [stdout] 50e4021a8b2c9b1cd34bc442ac9d65c17b77afd9166d2b3c6ae833a1b961928b
[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=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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fcc4d1405ada08231e82434aa3a416f21843a55c55ebe9e74db6183b157849f
[INFO] running `Command { std: "docker" "start" "-a" "8fcc4d1405ada08231e82434aa3a416f21843a55c55ebe9e74db6183b157849f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `options`
[INFO] [stderr]   --> src/client.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub(crate) options: Options,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `block_on_responses`
[INFO] [stderr]   --> src/mock.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     block_on_responses: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `block_on_responses`
[INFO] [stderr]   --> src/mock.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     block_on_responses: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `libhoney-rust` (lib) generated 2 warnings
[INFO] [stderr] warning: `libhoney-rust` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libhoney-6b78fd3e46fabff4)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test builder::tests::test_builder_add ... ok
[INFO] [stdout] test builder::tests::test_builder_add_conflict ... ok
[INFO] [stdout] test event::tests::test_add ... ok
[INFO] [stdout] test transmission::tests::test_defaults ... ok
[INFO] [stdout] test client::tests::test_init ... ok
[INFO] [stdout] test transmission::tests::test_modifiable_defaults ... ok
[INFO] [stdout] test tests::test_init ... ok
[INFO] [stdout] test client::tests::test_send_without_api_key ... ok
[INFO] [stdout] test event::tests::test_empty ... ok
[INFO] [stdout] test client::tests::test_flush ... ok
[INFO] [stdout] test event::tests::test_send ... ok
[INFO] [stdout] test transmission::tests::test_multiple_batches ... ok
[INFO] [stdout] test transmission::tests::test_metadata ... ok
[INFO] [stdout] test transmission::tests::test_bad_response ... ok
[INFO] [stdout] test transmission::tests::test_responses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.58s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libhoney
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fcc4d1405ada08231e82434aa3a416f21843a55c55ebe9e74db6183b157849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcc4d1405ada08231e82434aa3a416f21843a55c55ebe9e74db6183b157849f", kill_on_drop: false }`
[INFO] [stdout] 8fcc4d1405ada08231e82434aa3a416f21843a55c55ebe9e74db6183b157849f