Dec 06 14:35:34.757 INFO testing DenialAdams/t_test_runner against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514 Dec 06 14:35:34.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 06 14:35:34.934 INFO [stdout] a9afa944be914a9e9fc681f1fd561f195df9cdf4e57c788c09e51b642ec86dff Dec 06 14:35:34.936 INFO running `"docker" "start" "-a" "a9afa944be914a9e9fc681f1fd561f195df9cdf4e57c788c09e51b642ec86dff"` Dec 06 14:35:35.301 INFO [stderr] usermod: no changes Dec 06 14:35:35.385 INFO [stderr] Compiling os_pipe v0.8.0 Dec 06 14:35:36.430 INFO [stderr] Compiling test_runner v0.3.0 (/source) Dec 06 14:35:37.816 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.816 INFO [stderr] --> src/main.rs:72:13 Dec 06 14:35:37.816 INFO [stderr] | Dec 06 14:35:37.816 INFO [stderr] 72 | write!(&mut out_handle, "{}: ", entry.file_name().unwrap().to_str().unwrap()); Dec 06 14:35:37.816 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.816 INFO [stderr] | Dec 06 14:35:37.816 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 06 14:35:37.816 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.816 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.816 INFO [stderr] Dec 06 14:35:37.816 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.816 INFO [stderr] --> src/main.rs:74:13 Dec 06 14:35:37.816 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 74 | writeln!(&mut out_handle, "ok"); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:81:13 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 81 | writeln!(&mut out_handle, "--------------------"); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:82:13 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 82 | write!(&mut out_handle, "{}: ", entry.file_name().unwrap().to_str().unwrap()); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:84:13 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 84 | writeln!(&mut out_handle, "FAILED"); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:88:19 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 88 | writeln!(&mut out_handle, "Compilation was supposed to fail, but it succeeded."); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:91:19 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 91 | writeln!(&mut out_handle, "Compilation was supposed to succeed, but it failed:"); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:92:19 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 92 | writeln!(&mut out_handle, "```"); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.817 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.817 INFO [stderr] Dec 06 14:35:37.817 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.817 INFO [stderr] --> src/main.rs:93:19 Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] 93 | writeln!(&mut out_handle, "{}", String::from_utf8_lossy(&tc_output.stderr)); Dec 06 14:35:37.817 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.817 INFO [stderr] | Dec 06 14:35:37.817 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:94:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 94 | writeln!(&mut out_handle, "```"); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:97:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 97 | / writeln!( Dec 06 14:35:37.818 INFO [stderr] 98 | | &mut out_handle, Dec 06 14:35:37.818 INFO [stderr] 99 | | "Compiled OK, but execution of the program produced a different result than expected:" Dec 06 14:35:37.818 INFO [stderr] 100 | | ); Dec 06 14:35:37.818 INFO [stderr] | |____________________^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:101:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 101 | writeln!(&mut out_handle, "```"); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:103:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 103 | writeln!(&mut out_handle, "```"); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:106:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 106 | / writeln!( Dec 06 14:35:37.818 INFO [stderr] 107 | | &mut out_handle, Dec 06 14:35:37.818 INFO [stderr] 108 | | "Failed to compile, but the compilation error was different than expected:" Dec 06 14:35:37.818 INFO [stderr] 109 | | ); Dec 06 14:35:37.818 INFO [stderr] | |____________________^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:110:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 110 | writeln!(&mut out_handle, "```"); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:112:19 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 112 | writeln!(&mut out_handle, "```"); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:115:13 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 115 | writeln!(&mut out_handle, "--------------------"); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.818 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.818 INFO [stderr] --> src/main.rs:128:13 Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] 128 | writeln!(t, "{}", x); Dec 06 14:35:37.818 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.818 INFO [stderr] | Dec 06 14:35:37.818 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.818 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.818 INFO [stderr] Dec 06 14:35:37.828 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.828 INFO [stderr] --> src/main.rs:132:13 Dec 06 14:35:37.828 INFO [stderr] | Dec 06 14:35:37.828 INFO [stderr] 132 | writeln!(t, "+{}", x); Dec 06 14:35:37.828 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.828 INFO [stderr] | Dec 06 14:35:37.828 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.828 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.828 INFO [stderr] Dec 06 14:35:37.828 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:37.828 INFO [stderr] --> src/main.rs:136:13 Dec 06 14:35:37.828 INFO [stderr] | Dec 06 14:35:37.828 INFO [stderr] 136 | writeln!(t, "-{}", x); Dec 06 14:35:37.828 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:37.828 INFO [stderr] | Dec 06 14:35:37.828 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:37.828 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:37.829 INFO [stderr] Dec 06 14:35:38.976 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.66s Dec 06 14:35:38.984 INFO [stderr] su: No module specific data is present Dec 06 14:35:39.498 INFO running `"docker" "inspect" "a9afa944be914a9e9fc681f1fd561f195df9cdf4e57c788c09e51b642ec86dff"` Dec 06 14:35:39.800 INFO running `"docker" "rm" "-f" "a9afa944be914a9e9fc681f1fd561f195df9cdf4e57c788c09e51b642ec86dff"` Dec 06 14:35:40.132 INFO [stdout] a9afa944be914a9e9fc681f1fd561f195df9cdf4e57c788c09e51b642ec86dff Dec 06 14:35:40.138 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 06 14:35:40.810 INFO [stdout] 6981a30420396894ca1517bfa26a9e25c3e82138d5c9735b0bee15329069a667 Dec 06 14:35:40.812 INFO running `"docker" "start" "-a" "6981a30420396894ca1517bfa26a9e25c3e82138d5c9735b0bee15329069a667"` Dec 06 14:35:42.224 INFO [stderr] usermod: no changes Dec 06 14:35:42.309 INFO [stderr] Compiling test_runner v0.3.0 (/source) Dec 06 14:35:43.596 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.596 INFO [stderr] --> src/main.rs:72:13 Dec 06 14:35:43.596 INFO [stderr] | Dec 06 14:35:43.596 INFO [stderr] 72 | write!(&mut out_handle, "{}: ", entry.file_name().unwrap().to_str().unwrap()); Dec 06 14:35:43.596 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.596 INFO [stderr] | Dec 06 14:35:43.596 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 06 14:35:43.596 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.596 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.596 INFO [stderr] Dec 06 14:35:43.596 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.596 INFO [stderr] --> src/main.rs:74:13 Dec 06 14:35:43.596 INFO [stderr] | Dec 06 14:35:43.596 INFO [stderr] 74 | writeln!(&mut out_handle, "ok"); Dec 06 14:35:43.596 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.596 INFO [stderr] | Dec 06 14:35:43.596 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.596 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.596 INFO [stderr] Dec 06 14:35:43.596 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.596 INFO [stderr] --> src/main.rs:81:13 Dec 06 14:35:43.596 INFO [stderr] | Dec 06 14:35:43.596 INFO [stderr] 81 | writeln!(&mut out_handle, "--------------------"); Dec 06 14:35:43.596 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.596 INFO [stderr] | Dec 06 14:35:43.596 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.596 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.596 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:82:13 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 82 | write!(&mut out_handle, "{}: ", entry.file_name().unwrap().to_str().unwrap()); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:84:13 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 84 | writeln!(&mut out_handle, "FAILED"); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:88:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 88 | writeln!(&mut out_handle, "Compilation was supposed to fail, but it succeeded."); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:91:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 91 | writeln!(&mut out_handle, "Compilation was supposed to succeed, but it failed:"); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:92:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 92 | writeln!(&mut out_handle, "```"); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:93:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 93 | writeln!(&mut out_handle, "{}", String::from_utf8_lossy(&tc_output.stderr)); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:94:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 94 | writeln!(&mut out_handle, "```"); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:97:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 97 | / writeln!( Dec 06 14:35:43.597 INFO [stderr] 98 | | &mut out_handle, Dec 06 14:35:43.597 INFO [stderr] 99 | | "Compiled OK, but execution of the program produced a different result than expected:" Dec 06 14:35:43.597 INFO [stderr] 100 | | ); Dec 06 14:35:43.597 INFO [stderr] | |____________________^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.597 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.597 INFO [stderr] Dec 06 14:35:43.597 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.597 INFO [stderr] --> src/main.rs:101:19 Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] 101 | writeln!(&mut out_handle, "```"); Dec 06 14:35:43.597 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.597 INFO [stderr] | Dec 06 14:35:43.597 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.600 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.600 INFO [stderr] Dec 06 14:35:43.600 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.600 INFO [stderr] --> src/main.rs:103:19 Dec 06 14:35:43.600 INFO [stderr] | Dec 06 14:35:43.600 INFO [stderr] 103 | writeln!(&mut out_handle, "```"); Dec 06 14:35:43.600 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.600 INFO [stderr] | Dec 06 14:35:43.600 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:106:19 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 106 | / writeln!( Dec 06 14:35:43.601 INFO [stderr] 107 | | &mut out_handle, Dec 06 14:35:43.601 INFO [stderr] 108 | | "Failed to compile, but the compilation error was different than expected:" Dec 06 14:35:43.601 INFO [stderr] 109 | | ); Dec 06 14:35:43.601 INFO [stderr] | |____________________^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:110:19 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 110 | writeln!(&mut out_handle, "```"); Dec 06 14:35:43.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:112:19 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 112 | writeln!(&mut out_handle, "```"); Dec 06 14:35:43.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:115:13 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 115 | writeln!(&mut out_handle, "--------------------"); Dec 06 14:35:43.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:128:13 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 128 | writeln!(t, "{}", x); Dec 06 14:35:43.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:132:13 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 132 | writeln!(t, "+{}", x); Dec 06 14:35:43.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.601 INFO [stderr] Dec 06 14:35:43.601 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 06 14:35:43.601 INFO [stderr] --> src/main.rs:136:13 Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] 136 | writeln!(t, "-{}", x); Dec 06 14:35:43.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 06 14:35:43.601 INFO [stderr] | Dec 06 14:35:43.601 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 06 14:35:43.601 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 06 14:35:43.604 INFO [stderr] Dec 06 14:35:43.848 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.59s Dec 06 14:35:43.853 INFO [stderr] su: No module specific data is present Dec 06 14:35:44.193 INFO running `"docker" "inspect" "6981a30420396894ca1517bfa26a9e25c3e82138d5c9735b0bee15329069a667"` Dec 06 14:35:44.270 INFO running `"docker" "rm" "-f" "6981a30420396894ca1517bfa26a9e25c3e82138d5c9735b0bee15329069a667"` Dec 06 14:35:44.377 INFO [stdout] 6981a30420396894ca1517bfa26a9e25c3e82138d5c9735b0bee15329069a667 Dec 06 14:35:44.380 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 06 14:35:44.662 INFO [stdout] 2c0853a20fd99bac5d10088e2ba999b7933f4511e44dc2e00366326b06076f9a Dec 06 14:35:44.666 INFO running `"docker" "start" "-a" "2c0853a20fd99bac5d10088e2ba999b7933f4511e44dc2e00366326b06076f9a"` Dec 06 14:35:45.064 INFO [stderr] usermod: no changes Dec 06 14:35:45.136 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s Dec 06 14:35:45.146 INFO [stderr] Running /target/debug/deps/test_runner-b81da3d68db9e3d3 Dec 06 14:35:45.148 INFO [stdout] Dec 06 14:35:45.148 INFO [stdout] running 0 tests Dec 06 14:35:45.148 INFO [stdout] Dec 06 14:35:45.148 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 14:35:45.148 INFO [stdout] Dec 06 14:35:45.156 INFO [stderr] su: No module specific data is present Dec 06 14:35:45.530 INFO running `"docker" "inspect" "2c0853a20fd99bac5d10088e2ba999b7933f4511e44dc2e00366326b06076f9a"` Dec 06 14:35:45.638 INFO running `"docker" "rm" "-f" "2c0853a20fd99bac5d10088e2ba999b7933f4511e44dc2e00366326b06076f9a"` Dec 06 14:35:45.818 INFO [stdout] 2c0853a20fd99bac5d10088e2ba999b7933f4511e44dc2e00366326b06076f9a