[INFO] fetching crate bos 0.3.1...
[INFO] testing bos-0.3.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate bos 0.3.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bos 0.3.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lifetime v0.1.0
[INFO] [stderr]   Downloaded lifetime_proc_macros 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c45bd8fb1376eaa8fa0ecad6cf5e763ff66385eccb14d3151c53eb562d31d4d
[INFO] running `Command { std: "docker" "start" "-a" "8c45bd8fb1376eaa8fa0ecad6cf5e763ff66385eccb14d3151c53eb562d31d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c45bd8fb1376eaa8fa0ecad6cf5e763ff66385eccb14d3151c53eb562d31d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c45bd8fb1376eaa8fa0ecad6cf5e763ff66385eccb14d3151c53eb562d31d4d", kill_on_drop: false }`
[INFO] [stdout] 8c45bd8fb1376eaa8fa0ecad6cf5e763ff66385eccb14d3151c53eb562d31d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aebb95d0dc7550c476730fd9072f168f6e60c2138a48e9acd653ec95476e00f1
[INFO] running `Command { std: "docker" "start" "-a" "aebb95d0dc7550c476730fd9072f168f6e60c2138a48e9acd653ec95476e00f1", 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "aebb95d0dc7550c476730fd9072f168f6e60c2138a48e9acd653ec95476e00f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebb95d0dc7550c476730fd9072f168f6e60c2138a48e9acd653ec95476e00f1", kill_on_drop: false }`
[INFO] [stdout] aebb95d0dc7550c476730fd9072f168f6e60c2138a48e9acd653ec95476e00f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d50faa52bf023dc051d5367aaeec00c266d2bb49d022e54764fbaf52269208
[INFO] running `Command { std: "docker" "start" "-a" "71d50faa52bf023dc051d5367aaeec00c266d2bb49d022e54764fbaf52269208", 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 v2.0.110
[INFO] [stderr]    Compiling lifetime_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling lifetime_proc_macros v0.1.0
[INFO] [stderr]    Compiling lifetime v0.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[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 7.46s
[INFO] running `Command { std: "docker" "inspect" "71d50faa52bf023dc051d5367aaeec00c266d2bb49d022e54764fbaf52269208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d50faa52bf023dc051d5367aaeec00c266d2bb49d022e54764fbaf52269208", kill_on_drop: false }`
[INFO] [stdout] 71d50faa52bf023dc051d5367aaeec00c266d2bb49d022e54764fbaf52269208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2fba39d12a64b448fce9767284947027361679991411b5b900ede2d2aecfe14
[INFO] running `Command { std: "docker" "start" "-a" "b2fba39d12a64b448fce9767284947027361679991411b5b900ede2d2aecfe14", 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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bos-0378d3d7046b92a8)
[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/debug/deps/integration-97591056b2b3c372)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test abos::cmp ... ok
[INFO] [stdout] test bos_::cmp ... ok
[INFO] [stdout] test size_of_bos_str ... 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] [stderr]    Doc-tests bos
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::to_mut (line 103) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::into_static (line 163) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::into_static (line 150) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::into_shared (line 277) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::into_owned (line 52) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::into_shared (line 280) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::to_borrowed (line 241) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::make_shared (line 312) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::into_owned (line 46) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::into_owned (line 62) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::to_mut (line 113) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::to_mut (line 94) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::into_owned (line 43) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::into_owned (line 55) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::to_mut (line 101) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::to_mut (line 110) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::make_shared (line 315) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::to_mut (line 120) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::into_owned (line 65) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos<'b,B,O,S>::to_borrowed (line 249) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::to_borrowed (line 250) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos<'b,B,O,S>::to_borrowed (line 242) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2fba39d12a64b448fce9767284947027361679991411b5b900ede2d2aecfe14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fba39d12a64b448fce9767284947027361679991411b5b900ede2d2aecfe14", kill_on_drop: false }`
[INFO] [stdout] b2fba39d12a64b448fce9767284947027361679991411b5b900ede2d2aecfe14