[INFO] crate stl 0.2.0 is already in cache
[INFO] extracting crate stl 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/stl/0.2.0
[INFO] extracting crate stl 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stl/0.2.0
[INFO] validating manifest of stl-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stl-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stl-0.2.0
[INFO] finished frobbing stl-0.2.0
[INFO] frobbed toml for stl-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/stl/0.2.0/Cargo.toml
[INFO] started frobbing stl-0.2.0
[INFO] finished frobbing stl-0.2.0
[INFO] frobbed toml for stl-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stl/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stl-0.2.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/stl/0.2.0:/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=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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 70a0edc6c9c9fb977835dd49dc2749af29773d7afeba5740132ccb9124337ed4
[INFO] running `"docker" "start" "-a" "70a0edc6c9c9fb977835dd49dc2749af29773d7afeba5740132ccb9124337ed4"`
[INFO] [stderr]    Compiling stl v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lib.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Result, Write, ErrorKind, Error};
[INFO] [stderr]   |                       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "70a0edc6c9c9fb977835dd49dc2749af29773d7afeba5740132ccb9124337ed4"`
[INFO] running `"docker" "rm" "-f" "70a0edc6c9c9fb977835dd49dc2749af29773d7afeba5740132ccb9124337ed4"`
[INFO] [stdout] 70a0edc6c9c9fb977835dd49dc2749af29773d7afeba5740132ccb9124337ed4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/stl/0.2.0:/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=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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e1e997640770eab0d8b59dfe499031300616fa8e9d3ebf68cd0e88b3e0983f57
[INFO] running `"docker" "start" "-a" "e1e997640770eab0d8b59dfe499031300616fa8e9d3ebf68cd0e88b3e0983f57"`
[INFO] [stderr]    Compiling stl v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lib.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Result, Write, ErrorKind, Error};
[INFO] [stderr]   |                       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "e1e997640770eab0d8b59dfe499031300616fa8e9d3ebf68cd0e88b3e0983f57"`
[INFO] running `"docker" "rm" "-f" "e1e997640770eab0d8b59dfe499031300616fa8e9d3ebf68cd0e88b3e0983f57"`
[INFO] [stdout] e1e997640770eab0d8b59dfe499031300616fa8e9d3ebf68cd0e88b3e0983f57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/stl/0.2.0:/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=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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4471ee319d0286407d2699691cb6aa3aa1751f8163a1a2c821a58128f7aae8e6
[INFO] running `"docker" "start" "-a" "4471ee319d0286407d2699691cb6aa3aa1751f8163a1a2c821a58128f7aae8e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stl-a781292471dbdddd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::write_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4471ee319d0286407d2699691cb6aa3aa1751f8163a1a2c821a58128f7aae8e6"`
[INFO] running `"docker" "rm" "-f" "4471ee319d0286407d2699691cb6aa3aa1751f8163a1a2c821a58128f7aae8e6"`
[INFO] [stdout] 4471ee319d0286407d2699691cb6aa3aa1751f8163a1a2c821a58128f7aae8e6