[INFO] crate base100 0.4.1 is already in cache
[INFO] extracting crate base100 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/base100/0.4.1
[INFO] extracting crate base100 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base100/0.4.1
[INFO] validating manifest of base100-0.4.1 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 base100-0.4.1 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 base100-0.4.1
[INFO] finished frobbing base100-0.4.1
[INFO] frobbed toml for base100-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/base100/0.4.1/Cargo.toml
[INFO] started frobbing base100-0.4.1
[INFO] finished frobbing base100-0.4.1
[INFO] frobbed toml for base100-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base100/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 base100-0.4.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base100/0.4.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 81ecc5253badcf68526a048f2ee6e7e8f1ab786bf2c32f99888f41d8c39e2c2f
[INFO] running `"docker" "start" "-a" "81ecc5253badcf68526a048f2ee6e7e8f1ab786bf2c32f99888f41d8c39e2c2f"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling base100 v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:24
[INFO] [stderr]    |
[INFO] [stderr] 42 |             })) as Box<BufRead>
[INFO] [stderr]    |                        ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/main.rs:44:58
[INFO] [stderr]    |
[INFO] [stderr] 44 |             Box::new(BufReader::new(io::stdin())) as Box<BufRead>
[INFO] [stderr]    |                                                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `"docker" "inspect" "81ecc5253badcf68526a048f2ee6e7e8f1ab786bf2c32f99888f41d8c39e2c2f"`
[INFO] running `"docker" "rm" "-f" "81ecc5253badcf68526a048f2ee6e7e8f1ab786bf2c32f99888f41d8c39e2c2f"`
[INFO] [stdout] 81ecc5253badcf68526a048f2ee6e7e8f1ab786bf2c32f99888f41d8c39e2c2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base100/0.4.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] afd2040595518edb76c72edf94739dfab82fee3c8ec5a52d770a8bfeadee9f80
[INFO] running `"docker" "start" "-a" "afd2040595518edb76c72edf94739dfab82fee3c8ec5a52d770a8bfeadee9f80"`
[INFO] [stderr]    Compiling base100 v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/main.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![cfg_attr(test, feature(test))]
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:24
[INFO] [stderr]    |
[INFO] [stderr] 42 |             })) as Box<BufRead>
[INFO] [stderr]    |                        ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/main.rs:44:58
[INFO] [stderr]    |
[INFO] [stderr] 44 |             Box::new(BufReader::new(io::stdin())) as Box<BufRead>
[INFO] [stderr]    |                                                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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 `base100`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "afd2040595518edb76c72edf94739dfab82fee3c8ec5a52d770a8bfeadee9f80"`
[INFO] running `"docker" "rm" "-f" "afd2040595518edb76c72edf94739dfab82fee3c8ec5a52d770a8bfeadee9f80"`
[INFO] [stdout] afd2040595518edb76c72edf94739dfab82fee3c8ec5a52d770a8bfeadee9f80