[INFO] fetching crate markings 0.4.0...
[INFO] testing markings-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate markings 0.4.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate markings 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 550f8edfe3cd679538da1c24187a34e92826758f1d9b9cec14482f759db5af8c
[INFO] running `Command { std: "docker" "start" "-a" "550f8edfe3cd679538da1c24187a34e92826758f1d9b9cec14482f759db5af8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550f8edfe3cd679538da1c24187a34e92826758f1d9b9cec14482f759db5af8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550f8edfe3cd679538da1c24187a34e92826758f1d9b9cec14482f759db5af8c", kill_on_drop: false }`
[INFO] [stdout] 550f8edfe3cd679538da1c24187a34e92826758f1d9b9cec14482f759db5af8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f29a7e12e3bb7d20664b2b8f6748b8cd1723b610497a79376321f09698c4fd71
[INFO] running `Command { std: "docker" "start" "-a" "f29a7e12e3bb7d20664b2b8f6748b8cd1723b610497a79376321f09698c4fd71", 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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "f29a7e12e3bb7d20664b2b8f6748b8cd1723b610497a79376321f09698c4fd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29a7e12e3bb7d20664b2b8f6748b8cd1723b610497a79376321f09698c4fd71", kill_on_drop: false }`
[INFO] [stdout] f29a7e12e3bb7d20664b2b8f6748b8cd1723b610497a79376321f09698c4fd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1adf5426a13ee39645e0595116ea17a2f7bc9f5b41eeff2738e21d9f92c8d8a
[INFO] running `Command { std: "docker" "start" "-a" "b1adf5426a13ee39645e0595116ea17a2f7bc9f5b41eeff2738e21d9f92c8d8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/markings-e1733c8f51e15900)
[INFO] running `Command { std: "docker" "inspect" "b1adf5426a13ee39645e0595116ea17a2f7bc9f5b41eeff2738e21d9f92c8d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1adf5426a13ee39645e0595116ea17a2f7bc9f5b41eeff2738e21d9f92c8d8a", kill_on_drop: false }`
[INFO] [stdout] b1adf5426a13ee39645e0595116ea17a2f7bc9f5b41eeff2738e21d9f92c8d8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8042262ee9013001a42de80c9a9c68219a17db2764243cd85a71d348007d23e8
[INFO] running `Command { std: "docker" "start" "-a" "8042262ee9013001a42de80c9a9c68219a17db2764243cd85a71d348007d23e8", 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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[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 [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markings-e1733c8f51e15900)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::args_owned ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::apply_iter ... ok
[INFO] [stdout] test tests::duplicate_key ... ok
[INFO] [stdout] test tests::duplicate_keys ... ok
[INFO] [stdout] test tests::duplicates ... ok
[INFO] [stdout] test tests::optional_keys ... ok
[INFO] [stdout] test tests::owned_key ... ok
[INFO] [stdout] test tests::empty_template_replace ... ok
[INFO] [stdout] test tests::empty_template ... ok
[INFO] [stdout] test tests::with_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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 - Opts (line 269) ... ok
[INFO] [stdout] test src/lib.rs - Template::find_keys (line 204) ... ok
[INFO] [stdout] test src/lib.rs - Template (line 125) ... 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 0.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8042262ee9013001a42de80c9a9c68219a17db2764243cd85a71d348007d23e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8042262ee9013001a42de80c9a9c68219a17db2764243cd85a71d348007d23e8", kill_on_drop: false }`
[INFO] [stdout] 8042262ee9013001a42de80c9a9c68219a17db2764243cd85a71d348007d23e8