[INFO] crate rustup-find 0.1.2 is already in cache
[INFO] extracting crate rustup-find 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-find/0.1.2
[INFO] extracting crate rustup-find 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup-find/0.1.2
[INFO] validating manifest of rustup-find-0.1.2 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 rustup-find-0.1.2 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 rustup-find-0.1.2
[INFO] finished frobbing rustup-find-0.1.2
[INFO] frobbed toml for rustup-find-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-find/0.1.2/Cargo.toml
[INFO] started frobbing rustup-find-0.1.2
[INFO] finished frobbing rustup-find-0.1.2
[INFO] frobbed toml for rustup-find-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup-find/0.1.2/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 rustup-find-0.1.2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-find/0.1.2:/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] e7af3cdae81d3de9295d5e1499ea9e3bb639946024dcb84f65825e580dcb34b6
[INFO] running `"docker" "start" "-a" "e7af3cdae81d3de9295d5e1499ea9e3bb639946024dcb84f65825e580dcb34b6"`
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling reqwest v0.8.8
[INFO] [stderr]    Compiling rustup-find v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: #[warn(unused_imports)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 196 |             let output = rustup!(output, "toolchain", "list");
[INFO] [stderr]     |                          ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 212 |         let output = rustup!(output, "component", "list", "--toolchain", &toolchain);
[INFO] [stderr]     |                      --------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.82s
[INFO] running `"docker" "inspect" "e7af3cdae81d3de9295d5e1499ea9e3bb639946024dcb84f65825e580dcb34b6"`
[INFO] running `"docker" "rm" "-f" "e7af3cdae81d3de9295d5e1499ea9e3bb639946024dcb84f65825e580dcb34b6"`
[INFO] [stdout] e7af3cdae81d3de9295d5e1499ea9e3bb639946024dcb84f65825e580dcb34b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-find/0.1.2:/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] f55884696dcb7d1419e0ddf34fb218ef3cdc82c722f2cac877868103aacc26a3
[INFO] running `"docker" "start" "-a" "f55884696dcb7d1419e0ddf34fb218ef3cdc82c722f2cac877868103aacc26a3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustup-find v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: #[warn(unused_imports)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 196 |             let output = rustup!(output, "toolchain", "list");
[INFO] [stderr]     |                          ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 212 |         let output = rustup!(output, "component", "list", "--toolchain", &toolchain);
[INFO] [stderr]     |                      --------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "f55884696dcb7d1419e0ddf34fb218ef3cdc82c722f2cac877868103aacc26a3"`
[INFO] running `"docker" "rm" "-f" "f55884696dcb7d1419e0ddf34fb218ef3cdc82c722f2cac877868103aacc26a3"`
[INFO] [stdout] f55884696dcb7d1419e0ddf34fb218ef3cdc82c722f2cac877868103aacc26a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-find/0.1.2:/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] cd51ea99831fd013c416f0e9bbf61fb94e9becc39f700b31bbc735000a50eec8
[INFO] running `"docker" "start" "-a" "cd51ea99831fd013c416f0e9bbf61fb94e9becc39f700b31bbc735000a50eec8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_find-288e067bdafa7201
[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" "cd51ea99831fd013c416f0e9bbf61fb94e9becc39f700b31bbc735000a50eec8"`
[INFO] running `"docker" "rm" "-f" "cd51ea99831fd013c416f0e9bbf61fb94e9becc39f700b31bbc735000a50eec8"`
[INFO] [stdout] cd51ea99831fd013c416f0e9bbf61fb94e9becc39f700b31bbc735000a50eec8