[INFO] crate trace-context 0.1.0 is already in cache
[INFO] testing trace-context-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate trace-context 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate trace-context 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45a03a1a7b2b87d117ea6b73cdb0908fc38599ebfe57dc91122ecf5067875c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f45a03a1a7b2b87d117ea6b73cdb0908fc38599ebfe57dc91122ecf5067875c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45a03a1a7b2b87d117ea6b73cdb0908fc38599ebfe57dc91122ecf5067875c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45a03a1a7b2b87d117ea6b73cdb0908fc38599ebfe57dc91122ecf5067875c2", kill_on_drop: false }`
[INFO] [stdout] f45a03a1a7b2b87d117ea6b73cdb0908fc38599ebfe57dc91122ecf5067875c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1887fe096a76539d200e0615530ca821e0c2a1e00b6b031cc24febd8c52bf428
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1887fe096a76539d200e0615530ca821e0c2a1e00b6b031cc24febd8c52bf428", kill_on_drop: false }`
[INFO] [stderr]    Compiling trace-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "1887fe096a76539d200e0615530ca821e0c2a1e00b6b031cc24febd8c52bf428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1887fe096a76539d200e0615530ca821e0c2a1e00b6b031cc24febd8c52bf428", kill_on_drop: false }`
[INFO] [stdout] 1887fe096a76539d200e0615530ca821e0c2a1e00b6b031cc24febd8c52bf428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0797644559cef7bdb8797550495e1dcc09988cf55cf717709ff6c2391dc4ff47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0797644559cef7bdb8797550495e1dcc09988cf55cf717709ff6c2391dc4ff47", kill_on_drop: false }`
[INFO] [stderr]    Compiling trace-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "0797644559cef7bdb8797550495e1dcc09988cf55cf717709ff6c2391dc4ff47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0797644559cef7bdb8797550495e1dcc09988cf55cf717709ff6c2391dc4ff47", kill_on_drop: false }`
[INFO] [stdout] 0797644559cef7bdb8797550495e1dcc09988cf55cf717709ff6c2391dc4ff47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52de7c6c15f7da741c183e469f109b0b747e6939bc38f34e6255e7b19fe1bc32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52de7c6c15f7da741c183e469f109b0b747e6939bc38f34e6255e7b19fe1bc32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trace_context-f6725564366ae15c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::extract::default ... ok
[INFO] [stdout] test test::extract::no_header ... ok
[INFO] [stdout] test test::extract::not_sampled ... ok
[INFO] [stdout] test test::extract::sampled ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trace-context
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - TraceContext::set_sampled (line 150) ... ok
[INFO] [stdout] test src/lib.rs - TraceContext::extract (line 37) ... ok
[INFO] [stdout] test src/lib.rs - TraceContext::inject (line 82) ... ok
[INFO] [stdout] test src/lib.rs - TraceContext::sampled (line 137) ... ok
[INFO] [stdout] test src/lib.rs -  (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52de7c6c15f7da741c183e469f109b0b747e6939bc38f34e6255e7b19fe1bc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52de7c6c15f7da741c183e469f109b0b747e6939bc38f34e6255e7b19fe1bc32", kill_on_drop: false }`
[INFO] [stdout] 52de7c6c15f7da741c183e469f109b0b747e6939bc38f34e6255e7b19fe1bc32