[INFO] fetching crate handy 0.1.4...
[INFO] testing handy-0.1.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate handy 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate handy 0.1.4
[INFO] finished tweaking crates.io crate handy 0.1.4
[INFO] tweaked toml for crates.io crate handy 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate handy 0.1.4 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] 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] c9c2755560dddf0906a0955e2d5bed2890546719e53ab38e0dc559a8b8de452e
[INFO] running `Command { std: "docker" "start" "-a" "c9c2755560dddf0906a0955e2d5bed2890546719e53ab38e0dc559a8b8de452e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9c2755560dddf0906a0955e2d5bed2890546719e53ab38e0dc559a8b8de452e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c2755560dddf0906a0955e2d5bed2890546719e53ab38e0dc559a8b8de452e", kill_on_drop: false }`
[INFO] [stdout] c9c2755560dddf0906a0955e2d5bed2890546719e53ab38e0dc559a8b8de452e
[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] b2afdf9d23bd7c9b0a69d7d3c81d4e344e43d3cf29ffdea4b0d1415389d79bf4
[INFO] running `Command { std: "docker" "start" "-a" "b2afdf9d23bd7c9b0a69d7d3c81d4e344e43d3cf29ffdea4b0d1415389d79bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling handy v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut e = &mut self.entries[index];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:828:13
[INFO] [stdout]     |
[INFO] [stdout] 828 |         let mut e = &mut self.entries[index];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b2afdf9d23bd7c9b0a69d7d3c81d4e344e43d3cf29ffdea4b0d1415389d79bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2afdf9d23bd7c9b0a69d7d3c81d4e344e43d3cf29ffdea4b0d1415389d79bf4", kill_on_drop: false }`
[INFO] [stdout] b2afdf9d23bd7c9b0a69d7d3c81d4e344e43d3cf29ffdea4b0d1415389d79bf4
[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] ed552ad6d1f20f2d107630b2e1c3dfe0bd4ee3771cb3aae79463d110ca7a4460
[INFO] running `Command { std: "docker" "start" "-a" "ed552ad6d1f20f2d107630b2e1c3dfe0bd4ee3771cb3aae79463d110ca7a4460", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut e = &mut self.entries[index];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling handy v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:828:13
[INFO] [stdout]     |
[INFO] [stdout] 828 |         let mut e = &mut self.entries[index];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut e = &mut self.entries[index];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:828:13
[INFO] [stdout]     |
[INFO] [stdout] 828 |         let mut e = &mut self.entries[index];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "ed552ad6d1f20f2d107630b2e1c3dfe0bd4ee3771cb3aae79463d110ca7a4460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed552ad6d1f20f2d107630b2e1c3dfe0bd4ee3771cb3aae79463d110ca7a4460", kill_on_drop: false }`
[INFO] [stdout] ed552ad6d1f20f2d107630b2e1c3dfe0bd4ee3771cb3aae79463d110ca7a4460
[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] bc6c7400d969ec10623c4115a864ea08f214fd545079d4baadfa8f1e87ce16b8
[INFO] running `Command { std: "docker" "start" "-a" "bc6c7400d969ec10623c4115a864ea08f214fd545079d4baadfa8f1e87ce16b8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut e = &mut self.entries[index];
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:828:13
[INFO] [stderr]     |
[INFO] [stderr] 828 |         let mut e = &mut self.entries[index];
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `handy` (lib) generated 2 warnings (run `cargo fix --lib -p handy` to apply 2 suggestions)
[INFO] [stderr] warning: `handy` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/handy-66e61ecec7a936a6)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test tests::test_correct_value_multiple ... ok
[INFO] [stdout] test tests::test_correct_value_single ... ok
[INFO] [stdout] test tests::test_handle_parts ... ok
[INFO] [stdout] test tests::test_indexing ... ok
[INFO] [stdout] test halloc::tests::test_allocator ... ok
[INFO] [stdout] test tests::test_find ... ok
[INFO] [stdout] test tests::test_dbg ... ok
[INFO] [stdout] test tests::test_bad_index ... ok
[INFO] [stdout] test tests::test_wrong_gen ... ok
[INFO] [stdout] test tests::test_wrong_map ... ok
[INFO] [stdout] test typed::tests::test_bad_index ... ok
[INFO] [stdout] test typed::tests::test_clear ... ok
[INFO] [stdout] test typed::tests::test_correct_value_multiple ... ok
[INFO] [stdout] test typed::tests::test_correct_value_single ... ok
[INFO] [stdout] test typed::tests::test_find ... ok
[INFO] [stdout] test typed::tests::test_indexing ... ok
[INFO] [stdout] test typed::tests::test_handle_traits ... ok
[INFO] [stdout] test tests::test_reserve ... ok
[INFO] [stdout] test typed::tests::test_reserve ... ok
[INFO] [stdout] test typed::tests::test_handle_parts ... ok
[INFO] [stdout] test typed::tests::test_wrong_map ... ok
[INFO] [stdout] test typed::tests::test_trait_impls ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_iters ... ok
[INFO] [stdout] test typed::tests::test_iters ... ok
[INFO] [stdout] test tests::test_resizing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc6c7400d969ec10623c4115a864ea08f214fd545079d4baadfa8f1e87ce16b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6c7400d969ec10623c4115a864ea08f214fd545079d4baadfa8f1e87ce16b8", kill_on_drop: false }`
[INFO] [stdout] bc6c7400d969ec10623c4115a864ea08f214fd545079d4baadfa8f1e87ce16b8