[INFO] fetching crate exponential-backoff 2.1.0...
[INFO] testing exponential-backoff-2.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate exponential-backoff 2.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate exponential-backoff 2.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate exponential-backoff 2.1.0
[INFO] tweaked toml for crates.io crate exponential-backoff 2.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate exponential-backoff 2.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate exponential-backoff 2.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0880d794a33e14b3f7590678f946e38d4642f91f6a6ad76fafa7445cbc139fb0
[INFO] running `Command { std: "docker" "start" "-a" "0880d794a33e14b3f7590678f946e38d4642f91f6a6ad76fafa7445cbc139fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0880d794a33e14b3f7590678f946e38d4642f91f6a6ad76fafa7445cbc139fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0880d794a33e14b3f7590678f946e38d4642f91f6a6ad76fafa7445cbc139fb0", kill_on_drop: false }`
[INFO] [stdout] 0880d794a33e14b3f7590678f946e38d4642f91f6a6ad76fafa7445cbc139fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8a939d083c06b8d132e6425e569c8503ffeb39f2d4cf8f11844b36ceb892e539
[INFO] running `Command { std: "docker" "start" "-a" "8a939d083c06b8d132e6425e569c8503ffeb39f2d4cf8f11844b36ceb892e539", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling exponential-backoff v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "8a939d083c06b8d132e6425e569c8503ffeb39f2d4cf8f11844b36ceb892e539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a939d083c06b8d132e6425e569c8503ffeb39f2d4cf8f11844b36ceb892e539", kill_on_drop: false }`
[INFO] [stdout] 8a939d083c06b8d132e6425e569c8503ffeb39f2d4cf8f11844b36ceb892e539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c1ecfae0d47aa1b2d069009e5cad20f0c9ffda7a113796f223c5d3462051633a
[INFO] running `Command { std: "docker" "start" "-a" "c1ecfae0d47aa1b2d069009e5cad20f0c9ffda7a113796f223c5d3462051633a", kill_on_drop: false }`
[INFO] [stderr]    Compiling exponential-backoff v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "c1ecfae0d47aa1b2d069009e5cad20f0c9ffda7a113796f223c5d3462051633a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ecfae0d47aa1b2d069009e5cad20f0c9ffda7a113796f223c5d3462051633a", kill_on_drop: false }`
[INFO] [stdout] c1ecfae0d47aa1b2d069009e5cad20f0c9ffda7a113796f223c5d3462051633a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ca702be9be438c9ae7a28960396a8acbf81fc7b4cf485e54a7b81f1cf6bf476d
[INFO] running `Command { std: "docker" "start" "-a" "ca702be9be438c9ae7a28960396a8acbf81fc7b4cf485e54a7b81f1cf6bf476d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/exponential_backoff-30c75e0739c37b03)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test-29aea2d1bdf8e262)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test first_interval_should_be_min_value ... ok
[INFO] [stdout] test it_doesnt_crash ... ok
[INFO] [stdout] test it_handles_max_backoff ... ok
[INFO] [stdout] test it_handles_zero_attempts ... ok
[INFO] [stdout] test it_handles_no_jitter ... ok
[INFO] [stdout] test it_completes_iter ... ok
[INFO] [stdout] test it_completes_into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca702be9be438c9ae7a28960396a8acbf81fc7b4cf485e54a7b81f1cf6bf476d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca702be9be438c9ae7a28960396a8acbf81fc7b4cf485e54a7b81f1cf6bf476d", kill_on_drop: false }`
[INFO] [stdout] ca702be9be438c9ae7a28960396a8acbf81fc7b4cf485e54a7b81f1cf6bf476d