[INFO] fetching crate reed-solomon 0.2.1...
[INFO] testing reed-solomon-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate reed-solomon 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reed-solomon 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reed-solomon 0.2.1
[INFO] finished tweaking crates.io crate reed-solomon 0.2.1
[INFO] tweaked toml for crates.io crate reed-solomon 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30114a5d0d18e58c6673d43c762a9cfd164df0ec726a7e81a188950f557a6492
[INFO] running `Command { std: "docker" "start" "-a" "30114a5d0d18e58c6673d43c762a9cfd164df0ec726a7e81a188950f557a6492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30114a5d0d18e58c6673d43c762a9cfd164df0ec726a7e81a188950f557a6492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30114a5d0d18e58c6673d43c762a9cfd164df0ec726a7e81a188950f557a6492", kill_on_drop: false }`
[INFO] [stdout] 30114a5d0d18e58c6673d43c762a9cfd164df0ec726a7e81a188950f557a6492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc5dff37391db6313b9a7d1a382d8d780f76a6b4a9d8abab336fb53a345c3533
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc5dff37391db6313b9a7d1a382d8d780f76a6b4a9d8abab336fb53a345c3533", kill_on_drop: false }`
[INFO] [stderr]    Compiling reed-solomon v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "bc5dff37391db6313b9a7d1a382d8d780f76a6b4a9d8abab336fb53a345c3533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5dff37391db6313b9a7d1a382d8d780f76a6b4a9d8abab336fb53a345c3533", kill_on_drop: false }`
[INFO] [stdout] bc5dff37391db6313b9a7d1a382d8d780f76a6b4a9d8abab336fb53a345c3533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7861ca98835ace01f5ee19f4171d6d3469862a0d070e06d4994bdead2e3ab3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f7861ca98835ace01f5ee19f4171d6d3469862a0d070e06d4994bdead2e3ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reed-solomon v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "6f7861ca98835ace01f5ee19f4171d6d3469862a0d070e06d4994bdead2e3ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7861ca98835ace01f5ee19f4171d6d3469862a0d070e06d4994bdead2e3ab3", kill_on_drop: false }`
[INFO] [stdout] 6f7861ca98835ace01f5ee19f4171d6d3469862a0d070e06d4994bdead2e3ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 347648ee779e2f4c679142b155ec87f936f656c9613e44ce201f1564972f6b4f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "347648ee779e2f4c679142b155ec87f936f656c9613e44ce201f1564972f6b4f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:92:23
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:93:27
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:92:23
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:93:27
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test decoder::tests::decode ... ok
[INFO] [stdout] test decoder::tests::find_errors ... ok
[INFO] [stdout] test decoder::tests::find_errata_locator ... ok
[INFO] [stdout] test decoder::tests::forney_syndromes ... ok
[INFO] [stdout] test encoder::tests::encode ... ok
[INFO] [stdout] test gf::poly::tests::push ... ok
[INFO] [stdout] test gf::poly::tests::reverse ... ok
[INFO] [stdout] test gf::poly_math::tests::div ... ok
[INFO] [stdout] test gf::poly_math::tests::eval ... ok
[INFO] [stdout] test gf::poly_math::tests::mul ... ok
[INFO] [stdout] test gf::poly_math::tests::scale ... ok
[INFO] [stdout] test encoder::tests::generator_poly ... ok
[INFO] [stdout] test decoder::tests::find_error_evaluator ... ok
[INFO] [stdout] test gf::poly::tests::set_length ... ok
[INFO] [stdout] test decoder::tests::calc_syndromes ... ok
[INFO] [stdout] test decoder::tests::find_error_locator ... ok
[INFO] [stdout] test gf::poly_math::tests::add ... ok
[INFO] [stdout] test decoder::tests::is_corrupted ... ok
[INFO] [stdout] test decoder::tests::correct_errata ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reed_solomon-faa5cb4ce81ac0d9
[INFO] [stdout] test gf::tests::add ... ok
[INFO] [stdout] test gf::tests::sub ... ok
[INFO] [stdout] test decoder::tests::error_count ... ok
[INFO] [stdout] test gf::tests::pow ... ok
[INFO] [stdout] test gf::tests::mul ... ok
[INFO] [stdout] test gf::poly_math::tests::scale_assign ... ok
[INFO] [stdout] test gf::tests::div ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-6a328fa8fc3ef8d4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test helloworld ... ok
[INFO] [stdout] test with_erasures ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reed-solomon
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/decoder.rs - decoder::Decoder::correct (line 113) ... ok
[INFO] [stdout] test src/encoder.rs - encoder::Encoder::encode (line 28) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::Decoder::correct_err_count (line 39) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer (line 6) ... ok
[INFO] [stdout] test src/encoder.rs - encoder::Encoder::new (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::Decoder::is_corrupted (line 147) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::Decoder::new (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "347648ee779e2f4c679142b155ec87f936f656c9613e44ce201f1564972f6b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347648ee779e2f4c679142b155ec87f936f656c9613e44ce201f1564972f6b4f", kill_on_drop: false }`
[INFO] [stdout] 347648ee779e2f4c679142b155ec87f936f656c9613e44ce201f1564972f6b4f