[INFO] fetching crate ron 0.8.0...
[INFO] checking ron-0.8.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate ron 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ron 0.8.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron 0.8.0
[INFO] finished tweaking crates.io crate ron 0.8.0
[INFO] tweaked toml for crates.io crate ron 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ron 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded option_set v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95429e74a852afd9fa119bdf3bcb9862368307944e25d95ee026e2edd16ab290
[INFO] running `Command { std: "docker" "start" "-a" "95429e74a852afd9fa119bdf3bcb9862368307944e25d95ee026e2edd16ab290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95429e74a852afd9fa119bdf3bcb9862368307944e25d95ee026e2edd16ab290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95429e74a852afd9fa119bdf3bcb9862368307944e25d95ee026e2edd16ab290", kill_on_drop: false }`
[INFO] [stdout] 95429e74a852afd9fa119bdf3bcb9862368307944e25d95ee026e2edd16ab290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da8026337e280a571d3bfe91da02b7925ce0956f9865981704e0c0b40f8d2ed
[INFO] running `Command { std: "docker" "start" "-a" "1da8026337e280a571d3bfe91da02b7925ce0956f9865981704e0c0b40f8d2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking option_set v0.1.4
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking ron v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/mod.rs:434:27
[INFO] [stdout]     |
[INFO] [stdout] 434 |     fn deserialize_seq<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/mod.rs:454:29
[INFO] [stdout]     |
[INFO] [stdout] 454 |     fn deserialize_tuple<V>(mut self, _len: usize, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/mod.rs:494:27
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn deserialize_map<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/mod.rs:515:9
[INFO] [stdout]     |
[INFO] [stdout] 515 |         mut self,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `bitflags_serial`
[INFO] [stdout]  --> tests/152_bitflags.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate bitflags_serial;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `bitflags_serial` in this scope
[INFO] [stdout]   --> tests/152_bitflags.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | bitflags_serial! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `bitflags_serial` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]   --> tests/152_bitflags.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | extern crate bitflags_serial;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TestBadTWO` in this scope
[INFO] [stdout]   --> tests/152_bitflags.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 16 | / option_set! {
[INFO] [stdout] 17 | |     struct TestBad: UpperCamel + u8 {
[INFO] [stdout] 18 | |         const ONE = 1;
[INFO] [stdout] 19 | |         const TWO = 1 << 1;
[INFO] [stdout] 20 | |         const THREE  = 1 << 2;
[INFO] [stdout] 21 | |     }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_- similarly named struct `TestBad` defined here
[INFO] [stdout] ...
[INFO] [stdout] 75 |       let json_de_bad_two: TestBadTWO = serde_json::de::from_str(json_ser_bad_two.as_str()).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^ help: a struct with a similar name exists: `TestBad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TestBadTWO` in this scope
[INFO] [stdout]   --> tests/152_bitflags.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | / option_set! {
[INFO] [stdout] 17 | |     struct TestBad: UpperCamel + u8 {
[INFO] [stdout] 18 | |         const ONE = 1;
[INFO] [stdout] 19 | |         const TWO = 1 << 1;
[INFO] [stdout] 20 | |         const THREE  = 1 << 2;
[INFO] [stdout] 21 | |     }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_- similarly named struct `TestBad` defined here
[INFO] [stdout] ...
[INFO] [stdout] 76 |       let ron_de_bad_two: TestBadTWO = ron::de::from_str(ron_ser_bad_two.as_str()).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^ help: a struct with a similar name exists: `TestBad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TestBadTWO`
[INFO] [stdout]   --> tests/152_bitflags.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let flag_bad_two = TestBadTWO::ONE | TestBadTWO::TWO;
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        use of undeclared type `TestBadTWO`
[INFO] [stdout]    |                        help: a struct with a similar name exists: `TestBad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TestBadTWO`
[INFO] [stdout]   --> tests/152_bitflags.rs:67:42
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let flag_bad_two = TestBadTWO::ONE | TestBadTWO::TWO;
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          use of undeclared type `TestBadTWO`
[INFO] [stdout]    |                                          help: a struct with a similar name exists: `TestBad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ron` (test "152_bitflags") due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1da8026337e280a571d3bfe91da02b7925ce0956f9865981704e0c0b40f8d2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da8026337e280a571d3bfe91da02b7925ce0956f9865981704e0c0b40f8d2ed", kill_on_drop: false }`
[INFO] [stdout] 1da8026337e280a571d3bfe91da02b7925ce0956f9865981704e0c0b40f8d2ed
