[INFO] fetching crate traceparent 0.0.3...
[INFO] testing traceparent-0.0.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate traceparent 0.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate traceparent 0.0.3
[INFO] finished tweaking crates.io crate traceparent 0.0.3
[INFO] tweaked toml for crates.io crate traceparent 0.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate traceparent 0.0.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d548ddb1ce87eab8e1e950665c64ad355fabfda2510b655d08db758e82db40a4
[INFO] running `Command { std: "docker" "start" "-a" "d548ddb1ce87eab8e1e950665c64ad355fabfda2510b655d08db758e82db40a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d548ddb1ce87eab8e1e950665c64ad355fabfda2510b655d08db758e82db40a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d548ddb1ce87eab8e1e950665c64ad355fabfda2510b655d08db758e82db40a4", kill_on_drop: false }`
[INFO] [stdout] d548ddb1ce87eab8e1e950665c64ad355fabfda2510b655d08db758e82db40a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c32c3a9f57cb37b1eb413dc9baf58e1ab17e8750b4171b3f353e1670e7f2ee
[INFO] running `Command { std: "docker" "start" "-a" "41c32c3a9f57cb37b1eb413dc9baf58e1ab17e8750b4171b3f353e1670e7f2ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling traceparent v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     soft_unstable
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "41c32c3a9f57cb37b1eb413dc9baf58e1ab17e8750b4171b3f353e1670e7f2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c32c3a9f57cb37b1eb413dc9baf58e1ab17e8750b4171b3f353e1670e7f2ee", kill_on_drop: false }`
[INFO] [stdout] 41c32c3a9f57cb37b1eb413dc9baf58e1ab17e8750b4171b3f353e1670e7f2ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12295e453493129a8d9a0bfc1ba57dfa08730ce2f8a440dec04333231632d8ed
[INFO] running `Command { std: "docker" "start" "-a" "12295e453493129a8d9a0bfc1ba57dfa08730ce2f8a440dec04333231632d8ed", kill_on_drop: false }`
[INFO] [stdout] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     soft_unstable
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traceparent v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     soft_unstable
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "12295e453493129a8d9a0bfc1ba57dfa08730ce2f8a440dec04333231632d8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12295e453493129a8d9a0bfc1ba57dfa08730ce2f8a440dec04333231632d8ed", kill_on_drop: false }`
[INFO] [stdout] 12295e453493129a8d9a0bfc1ba57dfa08730ce2f8a440dec04333231632d8ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3007be2b2eb80a47bf7a151907abab24810669eaa7a50970818233e0a97ee525
[INFO] running `Command { std: "docker" "start" "-a" "3007be2b2eb80a47bf7a151907abab24810669eaa7a50970818233e0a97ee525", kill_on_drop: false }`
[INFO] [stderr] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     soft_unstable
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `traceparent` (lib) generated 1 warning
[INFO] [stderr] warning: `traceparent` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/traceparent-6b76746d1f082995)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::can_parse ... ok
[INFO] [stdout] test test::sampled ... ok
[INFO] [stdout] test test::child_create ... ok
[INFO] [stdout] test test::child_sample_wont_affect_parent ... ok
[INFO] [stdout] test test::child_sampled_passing ... 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 traceparent
[INFO] [stderr] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     soft_unstable
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "3007be2b2eb80a47bf7a151907abab24810669eaa7a50970818233e0a97ee525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3007be2b2eb80a47bf7a151907abab24810669eaa7a50970818233e0a97ee525", kill_on_drop: false }`
[INFO] [stdout] 3007be2b2eb80a47bf7a151907abab24810669eaa7a50970818233e0a97ee525