[INFO] fetching crate ruvolt 0.5.0...
[INFO] testing ruvolt-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ruvolt 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ruvolt 0.5.0
[INFO] finished tweaking crates.io crate ruvolt 0.5.0
[INFO] tweaked toml for crates.io crate ruvolt 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruvolt 0.5.0 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 ruvolt 0.5.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing v0.1.31
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.1
[INFO] [stderr]   Downloaded rmp-serde v1.0.0
[INFO] [stderr]   Downloaded tungstenite v0.17.2
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded tokio-rustls v0.23.2
[INFO] [stderr]   Downloaded h2 v0.3.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d77cdd3d66629d6720b6e47b15dea5df2eb8468803270c7cab4aee148e92a396
[INFO] running `Command { std: "docker" "start" "-a" "d77cdd3d66629d6720b6e47b15dea5df2eb8468803270c7cab4aee148e92a396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d77cdd3d66629d6720b6e47b15dea5df2eb8468803270c7cab4aee148e92a396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77cdd3d66629d6720b6e47b15dea5df2eb8468803270c7cab4aee148e92a396", kill_on_drop: false }`
[INFO] [stdout] d77cdd3d66629d6720b6e47b15dea5df2eb8468803270c7cab4aee148e92a396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8301540e583b32c4371787b6b28b5fef27b86c7cfaa23af86765850d5057f1a1
[INFO] running `Command { std: "docker" "start" "-a" "8301540e583b32c4371787b6b28b5fef27b86c7cfaa23af86765850d5057f1a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling tokio-rustls v0.23.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling ruvolt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.72s
[INFO] running `Command { std: "docker" "inspect" "8301540e583b32c4371787b6b28b5fef27b86c7cfaa23af86765850d5057f1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8301540e583b32c4371787b6b28b5fef27b86c7cfaa23af86765850d5057f1a1", kill_on_drop: false }`
[INFO] [stdout] 8301540e583b32c4371787b6b28b5fef27b86c7cfaa23af86765850d5057f1a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3fc215bf7957e54d9085f94092a1f6f2a4a589354337b73bf997400dea9c3bd2
[INFO] running `Command { std: "docker" "start" "-a" "3fc215bf7957e54d9085f94092a1f6f2a4a589354337b73bf997400dea9c3bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-rustls v0.23.2
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.1
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling ruvolt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "3fc215bf7957e54d9085f94092a1f6f2a4a589354337b73bf997400dea9c3bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc215bf7957e54d9085f94092a1f6f2a4a589354337b73bf997400dea9c3bd2", kill_on_drop: false }`
[INFO] [stdout] 3fc215bf7957e54d9085f94092a1f6f2a4a589354337b73bf997400dea9c3bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2193e9c1ef0cefe50a81c95f1d14695a279bc4322826323a71aad9864dbd89fe
[INFO] running `Command { std: "docker" "start" "-a" "2193e9c1ef0cefe50a81c95f1d14695a279bc4322826323a71aad9864dbd89fe", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ruvolt-93de1603eb50ef9d)
[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" "2193e9c1ef0cefe50a81c95f1d14695a279bc4322826323a71aad9864dbd89fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2193e9c1ef0cefe50a81c95f1d14695a279bc4322826323a71aad9864dbd89fe", kill_on_drop: false }`
[INFO] [stdout] 2193e9c1ef0cefe50a81c95f1d14695a279bc4322826323a71aad9864dbd89fe