[INFO] updating cached repository maniflames/time-frame-json-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maniflames/time-frame-json-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maniflames/time-frame-json-generator" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/maniflames/time-frame-json-generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/maniflames/time-frame-json-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maniflames/time-frame-json-generator" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/maniflames/time-frame-json-generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/maniflames/time-frame-json-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5177d990276887f3c5803f437e2020504c242f6f
[INFO] sha for GitHub repo maniflames/time-frame-json-generator: 5177d990276887f3c5803f437e2020504c242f6f
[INFO] validating manifest of maniflames/time-frame-json-generator 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 maniflames/time-frame-json-generator 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 maniflames/time-frame-json-generator
[INFO] finished frobbing maniflames/time-frame-json-generator
[INFO] frobbed toml for maniflames/time-frame-json-generator written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/maniflames/time-frame-json-generator/Cargo.toml
[INFO] started frobbing maniflames/time-frame-json-generator
[INFO] finished frobbing maniflames/time-frame-json-generator
[INFO] frobbed toml for maniflames/time-frame-json-generator written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/maniflames/time-frame-json-generator/Cargo.toml
[INFO] crate maniflames/time-frame-json-generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking maniflames/time-frame-json-generator against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/maniflames/time-frame-json-generator:/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] 08fbbc0300c82ecf1c3ca1b85180b774119fc640ea2f005e5e3ee3530901afa5
[INFO] running `"docker" "start" "-a" "08fbbc0300c82ecf1c3ca1b85180b774119fc640ea2f005e5e3ee3530901afa5"`
[INFO] [stderr]     Checking timeframe v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/utils.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/utils.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/utils.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/utils.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/utils.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/utils.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/utils.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/utils.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/package.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/package.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/package.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/package.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/customer.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/customer.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/driver.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/driver.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/main.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/main.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rustc_serialize::json::{self, Encoder};
[INFO] [stderr]   |                             ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/utils.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/utils.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/utils.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/utils.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(RustcDecodable, RustcEncodable, Debug, Clone)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/utils.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/utils.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/utils.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/utils.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/package.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/package.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/package.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/package.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/customer.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/customer.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]  --> src/driver.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/driver.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/main.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/main.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(RustcDecodable, RustcEncodable, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rustc_serialize::json::{self, Encoder};
[INFO] [stderr]   |                             ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `timeframe`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `timeframe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "08fbbc0300c82ecf1c3ca1b85180b774119fc640ea2f005e5e3ee3530901afa5"`
[INFO] running `"docker" "rm" "-f" "08fbbc0300c82ecf1c3ca1b85180b774119fc640ea2f005e5e3ee3530901afa5"`
[INFO] [stdout] 08fbbc0300c82ecf1c3ca1b85180b774119fc640ea2f005e5e3ee3530901afa5