[INFO] fetching crate markings 0.4.0...
[INFO] testing markings-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate markings 0.4.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markings 0.4.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f91b9f01f8b3dfb34b762b4e7c8cc07ea79dbe81c470d9000266a451f96246
[INFO] running `Command { std: "docker" "start" "-a" "83f91b9f01f8b3dfb34b762b4e7c8cc07ea79dbe81c470d9000266a451f96246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f91b9f01f8b3dfb34b762b4e7c8cc07ea79dbe81c470d9000266a451f96246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f91b9f01f8b3dfb34b762b4e7c8cc07ea79dbe81c470d9000266a451f96246", kill_on_drop: false }`
[INFO] [stdout] 83f91b9f01f8b3dfb34b762b4e7c8cc07ea79dbe81c470d9000266a451f96246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1659309ae584c5ee5f274e972a8680a028944a72cedb87a1ad776d8ad5b1132c
[INFO] running `Command { std: "docker" "start" "-a" "1659309ae584c5ee5f274e972a8680a028944a72cedb87a1ad776d8ad5b1132c", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "1659309ae584c5ee5f274e972a8680a028944a72cedb87a1ad776d8ad5b1132c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1659309ae584c5ee5f274e972a8680a028944a72cedb87a1ad776d8ad5b1132c", kill_on_drop: false }`
[INFO] [stdout] 1659309ae584c5ee5f274e972a8680a028944a72cedb87a1ad776d8ad5b1132c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004d96938127c5230eb4dbd6b36e85a17fae9fe97d3a8285adce47f48df805db
[INFO] running `Command { std: "docker" "start" "-a" "004d96938127c5230eb4dbd6b36e85a17fae9fe97d3a8285adce47f48df805db", 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "004d96938127c5230eb4dbd6b36e85a17fae9fe97d3a8285adce47f48df805db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004d96938127c5230eb4dbd6b36e85a17fae9fe97d3a8285adce47f48df805db", kill_on_drop: false }`
[INFO] [stdout] 004d96938127c5230eb4dbd6b36e85a17fae9fe97d3a8285adce47f48df805db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7db31be00e8ef721363f23acabc9fef83537bbee96a5a56c4a061f0bdeb75347
[INFO] running `Command { std: "docker" "start" "-a" "7db31be00e8ef721363f23acabc9fef83537bbee96a5a56c4a061f0bdeb75347", 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 0.04s
[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::basic ... ok
[INFO] [stdout] test tests::duplicates ... ok
[INFO] [stdout] test tests::args_owned ... ok
[INFO] [stdout] test tests::empty_template_replace ... ok
[INFO] [stdout] test tests::apply_iter ... ok
[INFO] [stdout] test tests::empty_template ... ok
[INFO] [stdout] test tests::with_args ... ok
[INFO] [stdout] test tests::optional_keys ... ok
[INFO] [stdout] test tests::owned_key ... ok
[INFO] [stdout] test tests::duplicate_keys ... ok
[INFO] [stdout] test tests::duplicate_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]    Doc-tests markings
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Template<'a>::find_keys (line 204) ... 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 - Opts (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Args (line 339) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7db31be00e8ef721363f23acabc9fef83537bbee96a5a56c4a061f0bdeb75347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db31be00e8ef721363f23acabc9fef83537bbee96a5a56c4a061f0bdeb75347", kill_on_drop: false }`
[INFO] [stdout] 7db31be00e8ef721363f23acabc9fef83537bbee96a5a56c4a061f0bdeb75347