[INFO] crate serde-pickle 0.5.0 is already in cache
[INFO] testing serde-pickle-0.5.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate serde-pickle 0.5.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate serde-pickle 0.5.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde-pickle 0.5.0
[INFO] finished tweaking crates.io crate serde-pickle 0.5.0
[INFO] tweaked toml for crates.io crate serde-pickle 0.5.0 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 94d925e6400d902cd7fed39809cec743729f628540d44fbf2dad3de2056ef2b8
[INFO] running `"docker" "start" "-a" "94d925e6400d902cd7fed39809cec743729f628540d44fbf2dad3de2056ef2b8"`
[INFO] [stderr]    Compiling iter-read v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling serde-pickle v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `"docker" "inspect" "94d925e6400d902cd7fed39809cec743729f628540d44fbf2dad3de2056ef2b8"`
[INFO] running `"docker" "rm" "-f" "94d925e6400d902cd7fed39809cec743729f628540d44fbf2dad3de2056ef2b8"`
[INFO] [stdout] 94d925e6400d902cd7fed39809cec743729f628540d44fbf2dad3de2056ef2b8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 924421d46177c10eee9da80f3320fc5d5a091accbf9e5d8e966fdee05aa1ac40
[INFO] running `"docker" "start" "-a" "924421d46177c10eee9da80f3320fc5d5a091accbf9e5d8e966fdee05aa1ac40"`
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling serde-pickle v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/pickle.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let reader: Box<Read> = if args.len() == 3 {
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 | #![cfg_attr(test, feature(test))]
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/../test/arby.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn shrink(&self) -> Box<Iterator<Item=Value>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Value>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/../test/arby.rs:106:29
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn shrink(&self) -> Box<Iterator<Item=HashableValue>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=HashableValue>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `serde-pickle`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "924421d46177c10eee9da80f3320fc5d5a091accbf9e5d8e966fdee05aa1ac40"`
[INFO] running `"docker" "rm" "-f" "924421d46177c10eee9da80f3320fc5d5a091accbf9e5d8e966fdee05aa1ac40"`
[INFO] [stdout] 924421d46177c10eee9da80f3320fc5d5a091accbf9e5d8e966fdee05aa1ac40