[INFO] fetching crate markings 0.4.0...
[INFO] testing markings-0.4.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate markings 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate markings 0.4.0
[INFO] finished tweaking crates.io crate markings 0.4.0
[INFO] tweaked toml for crates.io crate markings 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate markings 0.4.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4ef2c39a478f957afb40463aaec00da4611368cc44d55908629ba0f4627c5c7
[INFO] running `Command { std: "docker" "start" "-a" "c4ef2c39a478f957afb40463aaec00da4611368cc44d55908629ba0f4627c5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4ef2c39a478f957afb40463aaec00da4611368cc44d55908629ba0f4627c5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ef2c39a478f957afb40463aaec00da4611368cc44d55908629ba0f4627c5c7", kill_on_drop: false }`
[INFO] [stdout] c4ef2c39a478f957afb40463aaec00da4611368cc44d55908629ba0f4627c5c7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872c9e42afd076fe469e221e8ede29fa5d6178b83fde0a645c40403d9d59379d
[INFO] running `Command { std: "docker" "start" "-a" "872c9e42afd076fe469e221e8ede29fa5d6178b83fde0a645c40403d9d59379d", kill_on_drop: false }`
[INFO] [stderr]    Compiling markings v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     std::mem::replace(&mut self.data, s);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     let _ = std::mem::replace(&mut self.data, s);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "872c9e42afd076fe469e221e8ede29fa5d6178b83fde0a645c40403d9d59379d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872c9e42afd076fe469e221e8ede29fa5d6178b83fde0a645c40403d9d59379d", kill_on_drop: false }`
[INFO] [stdout] 872c9e42afd076fe469e221e8ede29fa5d6178b83fde0a645c40403d9d59379d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e578ecd5c3e80713de1bd0d079b005f810742675cd5f40bd6e4f807e742e8b0
[INFO] running `Command { std: "docker" "start" "-a" "9e578ecd5c3e80713de1bd0d079b005f810742675cd5f40bd6e4f807e742e8b0", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     std::mem::replace(&mut self.data, s);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     let _ = std::mem::replace(&mut self.data, s);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling markings v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     std::mem::replace(&mut self.data, s);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     let _ = std::mem::replace(&mut self.data, s);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "9e578ecd5c3e80713de1bd0d079b005f810742675cd5f40bd6e4f807e742e8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e578ecd5c3e80713de1bd0d079b005f810742675cd5f40bd6e4f807e742e8b0", kill_on_drop: false }`
[INFO] [stdout] 9e578ecd5c3e80713de1bd0d079b005f810742675cd5f40bd6e4f807e742e8b0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 966ca6087bf22d0aa6bd9ba85a047a9e236ef1d1e10c732b7a6303d110f7ea4f
[INFO] running `Command { std: "docker" "start" "-a" "966ca6087bf22d0aa6bd9ba85a047a9e236ef1d1e10c732b7a6303d110f7ea4f", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     std::mem::replace(&mut self.data, s);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     let _ = std::mem::replace(&mut self.data, s);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `markings` (lib) generated 1 warning
[INFO] [stderr] warning: `markings` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markings-ed4c5e8013fde22e)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::args_owned ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::duplicates ... ok
[INFO] [stdout] test tests::empty_template ... ok
[INFO] [stdout] test tests::optional_keys ... ok
[INFO] [stdout] test tests::owned_key ... ok
[INFO] [stdout] test tests::with_args ... ok
[INFO] [stdout] test tests::empty_template_replace ... ok
[INFO] [stdout] test tests::duplicate_keys ... ok
[INFO] [stdout] test tests::duplicate_key ... ok
[INFO] [stdout] test tests::apply_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markings
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Opts (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Template (line 125) ... ok
[INFO] [stdout] test src/lib.rs - Opts (line 269) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Args (line 339) ... ok
[INFO] [stdout] test src/lib.rs - Template<'a>::find_keys (line 204) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "966ca6087bf22d0aa6bd9ba85a047a9e236ef1d1e10c732b7a6303d110f7ea4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966ca6087bf22d0aa6bd9ba85a047a9e236ef1d1e10c732b7a6303d110f7ea4f", kill_on_drop: false }`
[INFO] [stdout] 966ca6087bf22d0aa6bd9ba85a047a9e236ef1d1e10c732b7a6303d110f7ea4f
