[INFO] fetching crate shalc 0.1.0...
[INFO] testing shalc-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate shalc 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate shalc 0.1.0
[INFO] finished tweaking crates.io crate shalc 0.1.0
[INFO] tweaked toml for crates.io crate shalc 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shalc 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded slog-stdlog v4.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cbc3d936ac23fb2ba27fb75eede202cfdf93f5fe7120648a4cc56295bfd4e1ee
[INFO] running `Command { std: "docker" "start" "-a" "cbc3d936ac23fb2ba27fb75eede202cfdf93f5fe7120648a4cc56295bfd4e1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc3d936ac23fb2ba27fb75eede202cfdf93f5fe7120648a4cc56295bfd4e1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc3d936ac23fb2ba27fb75eede202cfdf93f5fe7120648a4cc56295bfd4e1ee", kill_on_drop: false }`
[INFO] [stdout] cbc3d936ac23fb2ba27fb75eede202cfdf93f5fe7120648a4cc56295bfd4e1ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 310eed1bbaf02669a45bb2320b3224bb18f767528959ca73914d5bda97a0bc5b
[INFO] running `Command { std: "docker" "start" "-a" "310eed1bbaf02669a45bb2320b3224bb18f767528959ca73914d5bda97a0bc5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling slog-stdlog v4.1.1
[INFO] [stderr]    Compiling shalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "310eed1bbaf02669a45bb2320b3224bb18f767528959ca73914d5bda97a0bc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310eed1bbaf02669a45bb2320b3224bb18f767528959ca73914d5bda97a0bc5b", kill_on_drop: false }`
[INFO] [stdout] 310eed1bbaf02669a45bb2320b3224bb18f767528959ca73914d5bda97a0bc5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 198777f97af487423e3462defab455abe9f2dd4c4522de6d932de3f3f9bb33da
[INFO] running `Command { std: "docker" "start" "-a" "198777f97af487423e3462defab455abe9f2dd4c4522de6d932de3f3f9bb33da", kill_on_drop: false }`
[INFO] [stderr]    Compiling shalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prev_local_calcs`
[INFO] [stdout]    --> src/lib.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             prev_local_calcs: &mut Option<Self::LocalCalcs>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_local_calcs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_calcs`
[INFO] [stdout]    --> src/lib.rs:378:30
[INFO] [stdout]     |
[INFO] [stdout] 378 |         fn update(&mut self, local_calcs: &mut Option<Self::LocalCalcs>) -> calculation::State {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_calcs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "198777f97af487423e3462defab455abe9f2dd4c4522de6d932de3f3f9bb33da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198777f97af487423e3462defab455abe9f2dd4c4522de6d932de3f3f9bb33da", kill_on_drop: false }`
[INFO] [stdout] 198777f97af487423e3462defab455abe9f2dd4c4522de6d932de3f3f9bb33da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0b46f1c664854cd032140868042081299376d927686ebca10acd4af7a9b75851
[INFO] running `Command { std: "docker" "start" "-a" "0b46f1c664854cd032140868042081299376d927686ebca10acd4af7a9b75851", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prev_local_calcs`
[INFO] [stderr]    --> src/lib.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             prev_local_calcs: &mut Option<Self::LocalCalcs>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_local_calcs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_calcs`
[INFO] [stderr]    --> src/lib.rs:378:30
[INFO] [stderr]     |
[INFO] [stderr] 378 |         fn update(&mut self, local_calcs: &mut Option<Self::LocalCalcs>) -> calculation::State {
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_calcs`
[INFO] [stderr] 
[INFO] [stderr] warning: `shalc` (lib test) generated 2 warnings
[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/shalc-a039c626e1021c69)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::starting_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b46f1c664854cd032140868042081299376d927686ebca10acd4af7a9b75851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b46f1c664854cd032140868042081299376d927686ebca10acd4af7a9b75851", kill_on_drop: false }`
[INFO] [stdout] 0b46f1c664854cd032140868042081299376d927686ebca10acd4af7a9b75851