[INFO] fetching crate exact-conv 0.2.1...
[INFO] testing exact-conv-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate exact-conv 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate exact-conv 0.2.1
[INFO] finished tweaking crates.io crate exact-conv 0.2.1
[INFO] tweaked toml for crates.io crate exact-conv 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate exact-conv 0.2.1 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 exact-conv 0.2.1 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e1a0145bec21e8acd19973409e4f979081a30e87d5ca5cca068ef51da4ddae9c
[INFO] running `Command { std: "docker" "start" "-a" "e1a0145bec21e8acd19973409e4f979081a30e87d5ca5cca068ef51da4ddae9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a0145bec21e8acd19973409e4f979081a30e87d5ca5cca068ef51da4ddae9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a0145bec21e8acd19973409e4f979081a30e87d5ca5cca068ef51da4ddae9c", kill_on_drop: false }`
[INFO] [stdout] e1a0145bec21e8acd19973409e4f979081a30e87d5ca5cca068ef51da4ddae9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3a312b2500d314d6b5bbad705f9648f3484bf49a4ecf6b69645b922b1f2ebbdc
[INFO] running `Command { std: "docker" "start" "-a" "3a312b2500d314d6b5bbad705f9648f3484bf49a4ecf6b69645b922b1f2ebbdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling exact-conv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "3a312b2500d314d6b5bbad705f9648f3484bf49a4ecf6b69645b922b1f2ebbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a312b2500d314d6b5bbad705f9648f3484bf49a4ecf6b69645b922b1f2ebbdc", kill_on_drop: false }`
[INFO] [stdout] 3a312b2500d314d6b5bbad705f9648f3484bf49a4ecf6b69645b922b1f2ebbdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4c0b8d690c2b4db4b16be423e57453b354bc4dbcbf935e92483e380493d2bf7b
[INFO] running `Command { std: "docker" "start" "-a" "4c0b8d690c2b4db4b16be423e57453b354bc4dbcbf935e92483e380493d2bf7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling exact-conv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_bits_const` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/ieee754.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_bits_const)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "4c0b8d690c2b4db4b16be423e57453b354bc4dbcbf935e92483e380493d2bf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0b8d690c2b4db4b16be423e57453b354bc4dbcbf935e92483e380493d2bf7b", kill_on_drop: false }`
[INFO] [stdout] 4c0b8d690c2b4db4b16be423e57453b354bc4dbcbf935e92483e380493d2bf7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c0efb09fc9a31214169884f9d32b8bac33d50bedf783a70464da45603918e1bf
[INFO] running `Command { std: "docker" "start" "-a" "c0efb09fc9a31214169884f9d32b8bac33d50bedf783a70464da45603918e1bf", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `int_bits_const` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/ieee754.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(int_bits_const)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exact-conv` (example "ieee754") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/exact_conv-02ad66077bce1688)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::f32_to_signed ... ok
[INFO] [stdout] test tests::f32_to_unsigned ... ok
[INFO] [stdout] test tests::f32_to_signed_overflow ... ok
[INFO] [stdout] test tests::f32_to_unsigned_overflow ... ok
[INFO] [stdout] test tests::f64_to_signed_overflow ... ok
[INFO] [stdout] test tests::f64_to_unsigned ... ok
[INFO] [stdout] test tests::f64_to_unsigned_overflow ... ok
[INFO] [stdout] test tests::inexact ... ok
[INFO] [stdout] test tests::f64_to_signed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0efb09fc9a31214169884f9d32b8bac33d50bedf783a70464da45603918e1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0efb09fc9a31214169884f9d32b8bac33d50bedf783a70464da45603918e1bf", kill_on_drop: false }`
[INFO] [stdout] c0efb09fc9a31214169884f9d32b8bac33d50bedf783a70464da45603918e1bf