[INFO] fetching crate dd-trace-rust 0.0.0...
[INFO] testing dd-trace-rust-0.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dd-trace-rust 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dd-trace-rust 0.0.0
[INFO] finished tweaking crates.io crate dd-trace-rust 0.0.0
[INFO] tweaked toml for crates.io crate dd-trace-rust 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dd-trace-rust 0.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dd-trace-rust 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90f07f4dd119e1b2af411057bee0ea5df4af918cdb313548c9cb5049827375fe
[INFO] running `Command { std: "docker" "start" "-a" "90f07f4dd119e1b2af411057bee0ea5df4af918cdb313548c9cb5049827375fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90f07f4dd119e1b2af411057bee0ea5df4af918cdb313548c9cb5049827375fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f07f4dd119e1b2af411057bee0ea5df4af918cdb313548c9cb5049827375fe", kill_on_drop: false }`
[INFO] [stdout] 90f07f4dd119e1b2af411057bee0ea5df4af918cdb313548c9cb5049827375fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6422d7be9279e6feace72e8f2d5b09a466d03189dc0dd83abe98d3352b4a9f62
[INFO] running `Command { std: "docker" "start" "-a" "6422d7be9279e6feace72e8f2d5b09a466d03189dc0dd83abe98d3352b4a9f62", kill_on_drop: false }`
[INFO] [stderr]    Compiling dd-trace-rust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "6422d7be9279e6feace72e8f2d5b09a466d03189dc0dd83abe98d3352b4a9f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6422d7be9279e6feace72e8f2d5b09a466d03189dc0dd83abe98d3352b4a9f62", kill_on_drop: false }`
[INFO] [stdout] 6422d7be9279e6feace72e8f2d5b09a466d03189dc0dd83abe98d3352b4a9f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5c5675c4046b7bf4947f0631bedd526ce8ce191deab39590aefa7598f68b6a
[INFO] running `Command { std: "docker" "start" "-a" "cb5c5675c4046b7bf4947f0631bedd526ce8ce191deab39590aefa7598f68b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling dd-trace-rust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "cb5c5675c4046b7bf4947f0631bedd526ce8ce191deab39590aefa7598f68b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5c5675c4046b7bf4947f0631bedd526ce8ce191deab39590aefa7598f68b6a", kill_on_drop: false }`
[INFO] [stdout] cb5c5675c4046b7bf4947f0631bedd526ce8ce191deab39590aefa7598f68b6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6b29dec95317bde3421ec0b0b358d98ca00f762922c939eb2d71d1ea933fb9e
[INFO] running `Command { std: "docker" "start" "-a" "e6b29dec95317bde3421ec0b0b358d98ca00f762922c939eb2d71d1ea933fb9e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dd_trace_rust-3d4bf59bf917a326)
[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" "e6b29dec95317bde3421ec0b0b358d98ca00f762922c939eb2d71d1ea933fb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b29dec95317bde3421ec0b0b358d98ca00f762922c939eb2d71d1ea933fb9e", kill_on_drop: false }`
[INFO] [stdout] e6b29dec95317bde3421ec0b0b358d98ca00f762922c939eb2d71d1ea933fb9e