[INFO] crate either 1.5.3 is already in cache
[INFO] testing either-1.5.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate either 1.5.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate either 1.5.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate either 1.5.3
[INFO] finished tweaking crates.io crate either 1.5.3
[INFO] tweaked toml for crates.io crate either 1.5.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8fcbcffaeb36a926cb145c59aa6718eb5babd4af084a70f323304645594607
[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" "8f8fcbcffaeb36a926cb145c59aa6718eb5babd4af084a70f323304645594607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8fcbcffaeb36a926cb145c59aa6718eb5babd4af084a70f323304645594607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8fcbcffaeb36a926cb145c59aa6718eb5babd4af084a70f323304645594607", kill_on_drop: false }`
[INFO] [stdout] 8f8fcbcffaeb36a926cb145c59aa6718eb5babd4af084a70f323304645594607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb9c76b778ec60e8901abd28d5a0f65f7421f87fbd201f86a3a209f6fa91417
[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" "0bb9c76b778ec60e8901abd28d5a0f65f7421f87fbd201f86a3a209f6fa91417", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:839:32
[INFO] [stdout]     |
[INFO] [stdout] 839 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:835:43
[INFO] [stdout]     |
[INFO] [stdout] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:835:43
[INFO] [stdout]     |
[INFO] [stdout] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0bb9c76b778ec60e8901abd28d5a0f65f7421f87fbd201f86a3a209f6fa91417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb9c76b778ec60e8901abd28d5a0f65f7421f87fbd201f86a3a209f6fa91417", kill_on_drop: false }`
[INFO] [stdout] 0bb9c76b778ec60e8901abd28d5a0f65f7421f87fbd201f86a3a209f6fa91417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55178a2afd0e5bd38bfd27874cab703b9d5a2f18929a462e3555109a4553448
[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" "e55178a2afd0e5bd38bfd27874cab703b9d5a2f18929a462e3555109a4553448", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:839:32
[INFO] [stdout]     |
[INFO] [stdout] 839 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling either v1.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:835:43
[INFO] [stdout]     |
[INFO] [stdout] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:835:43
[INFO] [stdout]     |
[INFO] [stdout] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:930:9
[INFO] [stdout]     |
[INFO] [stdout] 930 |         try!(::std::str::from_utf8(invalid_utf8).map_err(Left));
[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/lib.rs:931:9
[INFO] [stdout]     |
[INFO] [stdout] 931 |         try!("x".parse::<i32>().map_err(Right));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:839:32
[INFO] [stdout]     |
[INFO] [stdout] 839 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:835:43
[INFO] [stdout]     |
[INFO] [stdout] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:935:22
[INFO] [stdout]     |
[INFO] [stdout] 935 |     res.unwrap_err().description(); // make sure this can be called
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "e55178a2afd0e5bd38bfd27874cab703b9d5a2f18929a462e3555109a4553448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55178a2afd0e5bd38bfd27874cab703b9d5a2f18929a462e3555109a4553448", kill_on_drop: false }`
[INFO] [stdout] e55178a2afd0e5bd38bfd27874cab703b9d5a2f18929a462e3555109a4553448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6de507fdf9560dc1e91d8e0bcda659b316cb22df41582b2eb2145aca77ac5eb
[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" "f6de507fdf9560dc1e91d8e0bcda659b316cb22df41582b2eb2145aca77ac5eb", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:839:32
[INFO] [stderr]     |
[INFO] [stderr] 839 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:835:43
[INFO] [stderr]     |
[INFO] [stderr] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:835:43
[INFO] [stderr]     |
[INFO] [stderr] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:930:9
[INFO] [stderr]     |
[INFO] [stderr] 930 |         try!(::std::str::from_utf8(invalid_utf8).map_err(Left));
[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/lib.rs:931:9
[INFO] [stderr]     |
[INFO] [stderr] 931 |         try!("x".parse::<i32>().map_err(Right));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:839:32
[INFO] [stderr]     |
[INFO] [stderr] 839 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:835:43
[INFO] [stderr]     |
[INFO] [stderr] 835 |         either!(*self, ref inner => inner.description())
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:935:22
[INFO] [stderr]     |
[INFO] [stderr] 935 |     res.unwrap_err().description(); // make sure this can be called
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/either-0b6e3188d5b467fe
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test read_write ... ok
[INFO] [stdout] test macros ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test error ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests either
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/lib.rs - Either<L, R>::either (line 277) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left (line 136) ... ok
[INFO] [stdout] test src/lib.rs - Either<(T, L), (T, R)>::factor_first (line 532) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::flip (line 215) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_left (line 234) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::as_mut (line 190) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_or (line 398) ... ok
[INFO] [stdout] test src/lib.rs - Either<(L, T), (R, T)>::factor_second (line 553) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::is_right (line 123) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::into_iter (line 370) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_or_default (line 417) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::is_left (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_and_then (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::as_ref (line 172) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::either_with (line 302) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_or_else (line 439) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_right (line 255) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right (line 154) ... ok
[INFO] [stdout] test src/lib.rs - try_left (line 69) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_or_default (line 486) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_and_then (line 350) ... ok
[INFO] [stdout] test src/lib.rs - Either<T, T>::into_inner (line 572) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_or_else (line 508) ... ok
[INFO] [stdout] test src/lib.rs - Either<T, T>::map (line 588) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_or (line 467) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6de507fdf9560dc1e91d8e0bcda659b316cb22df41582b2eb2145aca77ac5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6de507fdf9560dc1e91d8e0bcda659b316cb22df41582b2eb2145aca77ac5eb", kill_on_drop: false }`
[INFO] [stdout] f6de507fdf9560dc1e91d8e0bcda659b316cb22df41582b2eb2145aca77ac5eb