[INFO] updating cached repository badtuple/strats
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/badtuple/strats
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/badtuple/strats" "work/ex/beta-1.38-1/sources/1.37.0/gh/badtuple/strats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/badtuple/strats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/badtuple/strats" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badtuple/strats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badtuple/strats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ee26d8638a53533bff4bc14e6dd27ed3eca35a1
[INFO] sha for GitHub repo badtuple/strats: 2ee26d8638a53533bff4bc14e6dd27ed3eca35a1
[INFO] validating manifest of badtuple/strats 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 badtuple/strats 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 badtuple/strats
[INFO] finished frobbing badtuple/strats
[INFO] frobbed toml for badtuple/strats written to work/ex/beta-1.38-1/sources/1.37.0/gh/badtuple/strats/Cargo.toml
[INFO] started frobbing badtuple/strats
[INFO] finished frobbing badtuple/strats
[INFO] frobbed toml for badtuple/strats written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badtuple/strats/Cargo.toml
[INFO] crate badtuple/strats 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing badtuple/strats 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/badtuple/strats:/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] a4d7c223392134c5fa47e7a47aac126475a265d6ba460a7a2b324da2d8e60786
[INFO] running `"docker" "start" "-a" "a4d7c223392134c5fa47e7a47aac126475a265d6ba460a7a2b324da2d8e60786"`
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling strats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |            ^^^       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.21s
[INFO] running `"docker" "inspect" "a4d7c223392134c5fa47e7a47aac126475a265d6ba460a7a2b324da2d8e60786"`
[INFO] running `"docker" "rm" "-f" "a4d7c223392134c5fa47e7a47aac126475a265d6ba460a7a2b324da2d8e60786"`
[INFO] [stdout] a4d7c223392134c5fa47e7a47aac126475a265d6ba460a7a2b324da2d8e60786
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/badtuple/strats:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35bd694749a1c40514ed5a687ac97782eeb4e6f7cb89276b0c05559d389cd517
[INFO] running `"docker" "start" "-a" "35bd694749a1c40514ed5a687ac97782eeb4e6f7cb89276b0c05559d389cd517"`
[INFO] [stderr]    Compiling strats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |            ^^^       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "35bd694749a1c40514ed5a687ac97782eeb4e6f7cb89276b0c05559d389cd517"`
[INFO] running `"docker" "rm" "-f" "35bd694749a1c40514ed5a687ac97782eeb4e6f7cb89276b0c05559d389cd517"`
[INFO] [stdout] 35bd694749a1c40514ed5a687ac97782eeb4e6f7cb89276b0c05559d389cd517
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/badtuple/strats:/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" "test" "--frozen"`
[INFO] [stdout] 1b6c117843e0ba810219ba332d53bd76f9c60e8c7313d11b0d39dca9bfdd991c
[INFO] running `"docker" "start" "-a" "1b6c117843e0ba810219ba332d53bd76f9c60e8c7313d11b0d39dca9bfdd991c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strats-ff869aa218b64dc7
[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" "1b6c117843e0ba810219ba332d53bd76f9c60e8c7313d11b0d39dca9bfdd991c"`
[INFO] running `"docker" "rm" "-f" "1b6c117843e0ba810219ba332d53bd76f9c60e8c7313d11b0d39dca9bfdd991c"`
[INFO] [stdout] 1b6c117843e0ba810219ba332d53bd76f9c60e8c7313d11b0d39dca9bfdd991c