[INFO] crate r2pipe 0.4.0 is already in cache
[INFO] extracting crate r2pipe 0.4.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/r2pipe/0.4.0
[INFO] extracting crate r2pipe 0.4.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/r2pipe/0.4.0
[INFO] validating manifest of r2pipe-0.4.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of r2pipe-0.4.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing r2pipe-0.4.0
[INFO] finished frobbing r2pipe-0.4.0
[INFO] frobbed toml for r2pipe-0.4.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/r2pipe/0.4.0/Cargo.toml
[INFO] started frobbing r2pipe-0.4.0
[INFO] finished frobbing r2pipe-0.4.0
[INFO] frobbed toml for r2pipe-0.4.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/r2pipe/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking r2pipe-0.4.0 against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/r2pipe/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 824fa572bddfccd58e2adb7baa7edbe0b529cfc9ee0b338f834c45ad18fe4d27
[INFO] running `"docker" "start" "-a" "824fa572bddfccd58e2adb7baa7edbe0b529cfc9ee0b338f834c45ad18fe4d27"`
[INFO] [stderr]     Checking r2pipe v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]    --> src/r2.rs:168:22
[INFO] [stderr]     |
[INFO] [stderr] 168 |             #[derive(RustcDecodable)] struct Foo { strings: Vec<LStringInfo> };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:56:10
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:91:10
[INFO] [stderr]    |
[INFO] [stderr] 91 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:97:26
[INFO] [stderr]    |
[INFO] [stderr] 97 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]    --> src/structs.rs:103:26
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]    --> src/structs.rs:103:10
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]    --> src/structs.rs:139:26
[INFO] [stderr]     |
[INFO] [stderr] 139 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]    --> src/structs.rs:139:10
[INFO] [stderr]     |
[INFO] [stderr] 139 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]    --> src/r2.rs:168:22
[INFO] [stderr]     |
[INFO] [stderr] 168 |             #[derive(RustcDecodable)] struct Foo { strings: Vec<LStringInfo> };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:56:10
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:91:10
[INFO] [stderr]    |
[INFO] [stderr] 91 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/structs.rs:97:26
[INFO] [stderr]    |
[INFO] [stderr] 97 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/structs.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]    --> src/structs.rs:103:26
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]    --> src/structs.rs:103:10
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]    --> src/structs.rs:139:26
[INFO] [stderr]     |
[INFO] [stderr] 139 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]    --> src/structs.rs:139:10
[INFO] [stderr]     |
[INFO] [stderr] 139 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone, Default)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `r2pipe`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `r2pipe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "824fa572bddfccd58e2adb7baa7edbe0b529cfc9ee0b338f834c45ad18fe4d27"`
[INFO] running `"docker" "rm" "-f" "824fa572bddfccd58e2adb7baa7edbe0b529cfc9ee0b338f834c45ad18fe4d27"`
[INFO] [stdout] 824fa572bddfccd58e2adb7baa7edbe0b529cfc9ee0b338f834c45ad18fe4d27