[INFO] fetching crate trace-context 0.1.0...
[INFO] testing trace-context-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate trace-context 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate trace-context 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trace-context 0.1.0
[INFO] finished tweaking crates.io crate trace-context 0.1.0
[INFO] tweaked toml for crates.io crate trace-context 0.1.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc8f0151376562307eb3d2d3c0bfe73d9dfac247c06da4208fcf87e2e96356f7
[INFO] running `Command { std: "docker" "start" "-a" "dc8f0151376562307eb3d2d3c0bfe73d9dfac247c06da4208fcf87e2e96356f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc8f0151376562307eb3d2d3c0bfe73d9dfac247c06da4208fcf87e2e96356f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8f0151376562307eb3d2d3c0bfe73d9dfac247c06da4208fcf87e2e96356f7", kill_on_drop: false }`
[INFO] [stdout] dc8f0151376562307eb3d2d3c0bfe73d9dfac247c06da4208fcf87e2e96356f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e51f3e4ddedc3cf3bb1b7f13375955d82e95d7d140544cba943c0f11a09a4a5
[INFO] running `Command { std: "docker" "start" "-a" "4e51f3e4ddedc3cf3bb1b7f13375955d82e95d7d140544cba943c0f11a09a4a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling trace-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "4e51f3e4ddedc3cf3bb1b7f13375955d82e95d7d140544cba943c0f11a09a4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e51f3e4ddedc3cf3bb1b7f13375955d82e95d7d140544cba943c0f11a09a4a5", kill_on_drop: false }`
[INFO] [stdout] 4e51f3e4ddedc3cf3bb1b7f13375955d82e95d7d140544cba943c0f11a09a4a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8d52c555a428fc1f3a72821c85f8d33b6007ed2865ef7ca84db838087ae775b
[INFO] running `Command { std: "docker" "start" "-a" "d8d52c555a428fc1f3a72821c85f8d33b6007ed2865ef7ca84db838087ae775b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trace-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d8d52c555a428fc1f3a72821c85f8d33b6007ed2865ef7ca84db838087ae775b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d52c555a428fc1f3a72821c85f8d33b6007ed2865ef7ca84db838087ae775b", kill_on_drop: false }`
[INFO] [stdout] d8d52c555a428fc1f3a72821c85f8d33b6007ed2865ef7ca84db838087ae775b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c33d878a78a172ccd5d74f13675a7a39c6c3aea8f8084b2abd23a56688f69364
[INFO] running `Command { std: "docker" "start" "-a" "c33d878a78a172ccd5d74f13675a7a39c6c3aea8f8084b2abd23a56688f69364", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trace_context-43a0213335fea2d5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests trace-context
[INFO] [stdout] test test::extract::default ... ok
[INFO] [stdout] test test::extract::no_header ... ok
[INFO] [stdout] test test::extract::sampled ... ok
[INFO] [stdout] test test::extract::not_sampled ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - TraceContext::extract (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - TraceContext::sampled (line 137) ... ok
[INFO] [stdout] test src/lib.rs - TraceContext::inject (line 82) ... ok
[INFO] [stdout] test src/lib.rs - TraceContext::set_sampled (line 150) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c33d878a78a172ccd5d74f13675a7a39c6c3aea8f8084b2abd23a56688f69364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33d878a78a172ccd5d74f13675a7a39c6c3aea8f8084b2abd23a56688f69364", kill_on_drop: false }`
[INFO] [stdout] c33d878a78a172ccd5d74f13675a7a39c6c3aea8f8084b2abd23a56688f69364