[INFO] updating cached repository jonfast565/SimpleScheduler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonfast565/SimpleScheduler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonfast565/SimpleScheduler" "work/ex/beta-1.38-1/sources/1.37.0/gh/jonfast565/SimpleScheduler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jonfast565/SimpleScheduler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonfast565/SimpleScheduler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonfast565/SimpleScheduler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonfast565/SimpleScheduler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 509e978583d306b008355fef148fdcbb15d6ae73
[INFO] sha for GitHub repo jonfast565/SimpleScheduler: 509e978583d306b008355fef148fdcbb15d6ae73
[INFO] validating manifest of jonfast565/SimpleScheduler on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonfast565/SimpleScheduler on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonfast565/SimpleScheduler
[INFO] finished frobbing jonfast565/SimpleScheduler
[INFO] frobbed toml for jonfast565/SimpleScheduler written to work/ex/beta-1.38-1/sources/1.37.0/gh/jonfast565/SimpleScheduler/Cargo.toml
[INFO] started frobbing jonfast565/SimpleScheduler
[INFO] finished frobbing jonfast565/SimpleScheduler
[INFO] frobbed toml for jonfast565/SimpleScheduler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonfast565/SimpleScheduler/Cargo.toml
[INFO] crate jonfast565/SimpleScheduler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jonfast565/SimpleScheduler against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jonfast565/SimpleScheduler:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9f3b17ef21a3d182ba4d48bed747d26f0aac80de543fc8752093e76fd0c4fbd0
[INFO] running `"docker" "start" "-a" "9f3b17ef21a3d182ba4d48bed747d26f0aac80de543fc8752093e76fd0c4fbd0"`
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling simple_scheduler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stderr]  --> src/jobs.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Serialize, Deserialize)]
[INFO] [stderr]   |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Serialize` in this scope
[INFO] [stderr]  --> src/jobs.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Serialize, Deserialize)]
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: extern crate `serde` is private
[INFO] [stderr]  --> src/jobs.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde_json::serde::{Deserialize, Serialize};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/jobs.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde_json::serde::{Deserialize, Serialize};
[INFO] [stderr]   |                         ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::Result`
[INFO] [stderr]  --> src/jobs.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: Could not compile `simple_scheduler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9f3b17ef21a3d182ba4d48bed747d26f0aac80de543fc8752093e76fd0c4fbd0"`
[INFO] running `"docker" "rm" "-f" "9f3b17ef21a3d182ba4d48bed747d26f0aac80de543fc8752093e76fd0c4fbd0"`
[INFO] [stdout] 9f3b17ef21a3d182ba4d48bed747d26f0aac80de543fc8752093e76fd0c4fbd0