[INFO] fetching crate libeither 0.4.0...
[INFO] checking libeither-0.4.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate libeither 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate libeither 0.4.0 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 libeither 0.4.0
[INFO] finished tweaking crates.io crate libeither 0.4.0
[INFO] tweaked toml for crates.io crate libeither 0.4.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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] e382781224931b1e3d8afdaa3eedb5a1d045fe781006e80efaf1f10627ce41ee
[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" "e382781224931b1e3d8afdaa3eedb5a1d045fe781006e80efaf1f10627ce41ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e382781224931b1e3d8afdaa3eedb5a1d045fe781006e80efaf1f10627ce41ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e382781224931b1e3d8afdaa3eedb5a1d045fe781006e80efaf1f10627ce41ee", kill_on_drop: false }`
[INFO] [stdout] e382781224931b1e3d8afdaa3eedb5a1d045fe781006e80efaf1f10627ce41ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7973d810734c55b7bec2ee1013ba7ddf43c703751cb2bdc9ae09eb033793dd42
[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" "7973d810734c55b7bec2ee1013ba7ddf43c703751cb2bdc9ae09eb033793dd42", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking libeither v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     plugin_as_library,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `redundant_semicolon` has been renamed to `redundant_semicolons`
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     redundant_semicolon,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ help: use the new name: `redundant_semicolons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     plugin_as_library,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `redundant_semicolon` has been renamed to `redundant_semicolons`
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     redundant_semicolon,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ help: use the new name: `redundant_semicolons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/either.rs:565:48
[INFO] [stdout]     |
[INFO] [stdout] 565 |         either_else!(&self, ref inner => inner.description(), "Invalid Either (Error")
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout] 72  |     deprecated,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/either.rs:565:48
[INFO] [stdout]     |
[INFO] [stdout] 565 |         either_else!(&self, ref inner => inner.description(), "Invalid Either (Error")
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:210:40
[INFO] [stdout]     |
[INFO] [stdout] 210 |             Self::Io(source) => source.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libeither`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/either.rs:565:48
[INFO] [stdout]     |
[INFO] [stdout] 565 |         either_else!(&self, ref inner => inner.description(), "Invalid Either (Error")
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout] 72  |     deprecated,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/either.rs:565:48
[INFO] [stdout]     |
[INFO] [stdout] 565 |         either_else!(&self, ref inner => inner.description(), "Invalid Either (Error")
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/either.rs:609:28
[INFO] [stdout]     |
[INFO] [stdout] 609 |             io_err("test").description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/either.rs:610:58
[INFO] [stdout]     |
[INFO] [stdout] 610 |             io::Error::new(io::ErrorKind::Other, "test").description()
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:210:40
[INFO] [stdout]     |
[INFO] [stdout] 210 |             Self::Io(source) => source.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:212:47
[INFO] [stdout]     |
[INFO] [stdout] 212 |             Self::SerdeJson(source) => source.description(),
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:214:44
[INFO] [stdout]     |
[INFO] [stdout] 214 |             Self::TomlDe(source) => source.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:216:45
[INFO] [stdout]     |
[INFO] [stdout] 216 |             Self::TomlSer(source) => source.description(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7973d810734c55b7bec2ee1013ba7ddf43c703751cb2bdc9ae09eb033793dd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7973d810734c55b7bec2ee1013ba7ddf43c703751cb2bdc9ae09eb033793dd42", kill_on_drop: false }`
[INFO] [stdout] 7973d810734c55b7bec2ee1013ba7ddf43c703751cb2bdc9ae09eb033793dd42
