[INFO] fetching crate bos 0.3.1...
[INFO] testing bos-0.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate bos 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bos 0.3.1
[INFO] finished tweaking crates.io crate bos 0.3.1
[INFO] tweaked toml for crates.io crate bos 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bos 0.3.1 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] 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]      Locking 16 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]  Downloading crates ...
[INFO] [stderr]   Downloaded lifetime_proc_macros v0.1.0
[INFO] [stderr]   Downloaded lifetime v0.1.0
[INFO] [stderr]   Downloaded lifetime_proc_macros_impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 603e02640606ebd927d349556c10887f5f6987b8dfae2fbb0daf92bbea3e7f08
[INFO] running `Command { std: "docker" "start" "-a" "603e02640606ebd927d349556c10887f5f6987b8dfae2fbb0daf92bbea3e7f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603e02640606ebd927d349556c10887f5f6987b8dfae2fbb0daf92bbea3e7f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603e02640606ebd927d349556c10887f5f6987b8dfae2fbb0daf92bbea3e7f08", kill_on_drop: false }`
[INFO] [stdout] 603e02640606ebd927d349556c10887f5f6987b8dfae2fbb0daf92bbea3e7f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0ca52628698a1456561bb861666b25bde8ad5f6c8b11d99e8f8f240ee6734846
[INFO] running `Command { std: "docker" "start" "-a" "0ca52628698a1456561bb861666b25bde8ad5f6c8b11d99e8f8f240ee6734846", kill_on_drop: false }`
[INFO] [stderr]    Compiling bos v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/abos.rs:351:38
[INFO] [stdout]     |
[INFO] [stdout] 351 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bos.rs:356:38
[INFO] [stdout]     |
[INFO] [stdout] 356 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Rc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bos.rs:358:37
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Self::BorrowedRc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0ca52628698a1456561bb861666b25bde8ad5f6c8b11d99e8f8f240ee6734846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca52628698a1456561bb861666b25bde8ad5f6c8b11d99e8f8f240ee6734846", kill_on_drop: false }`
[INFO] [stdout] 0ca52628698a1456561bb861666b25bde8ad5f6c8b11d99e8f8f240ee6734846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a2525a0fea75b3c1d3aa2f96099f0f9f2a2ad14a41cacaa97286c2c7cbcc21d2
[INFO] running `Command { std: "docker" "start" "-a" "a2525a0fea75b3c1d3aa2f96099f0f9f2a2ad14a41cacaa97286c2c7cbcc21d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/abos.rs:351:38
[INFO] [stdout]     |
[INFO] [stdout] 351 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bos.rs:356:38
[INFO] [stdout]     |
[INFO] [stdout] 356 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Rc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bos.rs:358:37
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Self::BorrowedRc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling lifetime_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling lifetime_proc_macros v0.1.0
[INFO] [stderr]    Compiling lifetime v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bos v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/abos.rs:351:38
[INFO] [stdout]     |
[INFO] [stdout] 351 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bos.rs:356:38
[INFO] [stdout]     |
[INFO] [stdout] 356 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&Rc<S>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bos.rs:358:37
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Self::BorrowedRc(x) => x.deref().deref().borrow(),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.84s
[INFO] running `Command { std: "docker" "inspect" "a2525a0fea75b3c1d3aa2f96099f0f9f2a2ad14a41cacaa97286c2c7cbcc21d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2525a0fea75b3c1d3aa2f96099f0f9f2a2ad14a41cacaa97286c2c7cbcc21d2", kill_on_drop: false }`
[INFO] [stdout] a2525a0fea75b3c1d3aa2f96099f0f9f2a2ad14a41cacaa97286c2c7cbcc21d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9246f80fcc1824db570aadd067cf16eb7fe61052ec4ed3516a1f6ee196adf41d
[INFO] running `Command { std: "docker" "start" "-a" "9246f80fcc1824db570aadd067cf16eb7fe61052ec4ed3516a1f6ee196adf41d", kill_on_drop: false }`
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stderr]    --> src/abos.rs:351:38
[INFO] [stderr]     |
[INFO] [stderr] 351 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stderr]     |                                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&Arc<S>` instead of dereferencing the inner type
[INFO] [stderr]    --> src/bos.rs:356:38
[INFO] [stderr]     |
[INFO] [stderr] 356 |             Self::BorrowedArc(x) => x.deref().deref().borrow(),
[INFO] [stderr]     |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&Rc<S>` instead of dereferencing the inner type
[INFO] [stderr]    --> src/bos.rs:358:37
[INFO] [stderr]     |
[INFO] [stderr] 358 |             Self::BorrowedRc(x) => x.deref().deref().borrow(),
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bos` (lib) generated 3 warnings
[INFO] [stderr] warning: `bos` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/bos-0221706ae750ac50)
[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/integration/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/integration-d895e60c4761804d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test abos::cmp ... ok
[INFO] [stdout] test size_of_bos_str ... ok
[INFO] [stdout] test bos_::cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9246f80fcc1824db570aadd067cf16eb7fe61052ec4ed3516a1f6ee196adf41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9246f80fcc1824db570aadd067cf16eb7fe61052ec4ed3516a1f6ee196adf41d", kill_on_drop: false }`
[INFO] [stdout] 9246f80fcc1824db570aadd067cf16eb7fe61052ec4ed3516a1f6ee196adf41d