[INFO] fetching crate concat-reader 0.1.0...
[INFO] testing concat-reader-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate concat-reader 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate concat-reader 0.1.0
[INFO] finished tweaking crates.io crate concat-reader 0.1.0
[INFO] tweaked toml for crates.io crate concat-reader 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concat-reader 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37c224ca02f9f8f375d97741d86448e6aff84827d6ee67e1b975407c8969fc8f
[INFO] running `Command { std: "docker" "start" "-a" "37c224ca02f9f8f375d97741d86448e6aff84827d6ee67e1b975407c8969fc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37c224ca02f9f8f375d97741d86448e6aff84827d6ee67e1b975407c8969fc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c224ca02f9f8f375d97741d86448e6aff84827d6ee67e1b975407c8969fc8f", kill_on_drop: false }`
[INFO] [stdout] 37c224ca02f9f8f375d97741d86448e6aff84827d6ee67e1b975407c8969fc8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac776190355a613c82e2045fed402fb6852e11f37df2628c309c802ccb1862ef
[INFO] running `Command { std: "docker" "start" "-a" "ac776190355a613c82e2045fed402fb6852e11f37df2628c309c802ccb1862ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file.rs:167:51
[INFO] [stdout]     |
[INFO] [stdout] 167 |             return Err(io::Error::new(e.kind(), e.description()));
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file.rs:181:66
[INFO] [stdout]     |
[INFO] [stdout] 181 |             ReaderState::Err(e, _) => io::Error::new(e.kind(), e.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/file.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         mem::replace(self, 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] 165 |         let _ = mem::replace(self, s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ac776190355a613c82e2045fed402fb6852e11f37df2628c309c802ccb1862ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac776190355a613c82e2045fed402fb6852e11f37df2628c309c802ccb1862ef", kill_on_drop: false }`
[INFO] [stdout] ac776190355a613c82e2045fed402fb6852e11f37df2628c309c802ccb1862ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e955758070abfaaf9e2d9a485d69a387caccc19a54463d268bbe3c8559c93ef8
[INFO] running `Command { std: "docker" "start" "-a" "e955758070abfaaf9e2d9a485d69a387caccc19a54463d268bbe3c8559c93ef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file.rs:167:51
[INFO] [stdout]     |
[INFO] [stdout] 167 |             return Err(io::Error::new(e.kind(), e.description()));
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file.rs:181:66
[INFO] [stdout]     |
[INFO] [stdout] 181 |             ReaderState::Err(e, _) => io::Error::new(e.kind(), e.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/file.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         mem::replace(self, 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] 165 |         let _ = mem::replace(self, s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file.rs:167:51
[INFO] [stdout]     |
[INFO] [stdout] 167 |             return Err(io::Error::new(e.kind(), e.description()));
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file.rs:181:66
[INFO] [stdout]     |
[INFO] [stdout] 181 |             ReaderState::Err(e, _) => io::Error::new(e.kind(), e.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/file.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         mem::replace(self, 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] 165 |         let _ = mem::replace(self, s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "e955758070abfaaf9e2d9a485d69a387caccc19a54463d268bbe3c8559c93ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e955758070abfaaf9e2d9a485d69a387caccc19a54463d268bbe3c8559c93ef8", kill_on_drop: false }`
[INFO] [stdout] e955758070abfaaf9e2d9a485d69a387caccc19a54463d268bbe3c8559c93ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa2972cee2dc0e7864d128ad50cfb8b4ac4e7b69db2d4e9cba2566862c66e0a4
[INFO] running `Command { std: "docker" "start" "-a" "fa2972cee2dc0e7864d128ad50cfb8b4ac4e7b69db2d4e9cba2566862c66e0a4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/file.rs:167:51
[INFO] [stderr]     |
[INFO] [stderr] 167 |             return Err(io::Error::new(e.kind(), e.description()));
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/file.rs:181:66
[INFO] [stderr]     |
[INFO] [stderr] 181 |             ReaderState::Err(e, _) => io::Error::new(e.kind(), e.description()),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/file.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         mem::replace(self, 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] 165 |         let _ = mem::replace(self, s);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `concat-reader` (lib) generated 3 warnings
[INFO] [stderr] warning: `concat-reader` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concat_reader-57e5c6683fe4bd8a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test file::tests::can_skip_and_continue ... ok
[INFO] [stdout] test file::tests::can_debug_print ... ok
[INFO] [stdout] test file::tests::fails_on_file_error ... ok
[INFO] [stdout] test file::tests::fails_on_file_error2 ... ok
[INFO] [stdout] test file::tests::init_next_reader_when_current_is_eof ... ok
[INFO] [stdout] test file::tests::reads_from_multiple_files ... ok
[INFO] [stdout] test read::tests::reads_from_multiple_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concat_reader
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - FileConcatRead::file_path (line 147) - compile ... ok
[INFO] [stdout] test src/lib.rs - concat_path (line 59) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 4) - compile ... ok
[INFO] [stdout] test src/read.rs - read::ConcatReader (line 11) - compile ... ok
[INFO] [stdout] test src/lib.rs - ConcatRead::skip (line 95) ... ok
[INFO] [stdout] test src/file.rs - file::FileConcatReader<I>::new (line 70) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 39) ... ok
[INFO] [stdout] test src/file.rs - file::FileConcatReader (line 28) - compile ... ok
[INFO] [stdout] test src/read.rs - read::ConcatReader<I>::new (line 51) ... ok
[INFO] [stdout] test src/lib.rs - FileConcatRead (line 129) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa2972cee2dc0e7864d128ad50cfb8b4ac4e7b69db2d4e9cba2566862c66e0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2972cee2dc0e7864d128ad50cfb8b4ac4e7b69db2d4e9cba2566862c66e0a4", kill_on_drop: false }`
[INFO] [stdout] fa2972cee2dc0e7864d128ad50cfb8b4ac4e7b69db2d4e9cba2566862c66e0a4
