[INFO] updating cached repository alexcrichton/appveyor-scrape
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexcrichton/appveyor-scrape
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/appveyor-scrape" "work/ex/beta-1.37-6/sources/1.36.0/gh/alexcrichton/appveyor-scrape"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alexcrichton/appveyor-scrape'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/appveyor-scrape" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexcrichton/appveyor-scrape"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexcrichton/appveyor-scrape'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f54c6fa477c6b3ed7fe6ecbbcf308764d018966
[INFO] sha for GitHub repo alexcrichton/appveyor-scrape: 0f54c6fa477c6b3ed7fe6ecbbcf308764d018966
[INFO] validating manifest of alexcrichton/appveyor-scrape 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 alexcrichton/appveyor-scrape 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 alexcrichton/appveyor-scrape
[INFO] finished frobbing alexcrichton/appveyor-scrape
[INFO] frobbed toml for alexcrichton/appveyor-scrape written to work/ex/beta-1.37-6/sources/1.36.0/gh/alexcrichton/appveyor-scrape/Cargo.toml
[INFO] started frobbing alexcrichton/appveyor-scrape
[INFO] finished frobbing alexcrichton/appveyor-scrape
[INFO] frobbed toml for alexcrichton/appveyor-scrape written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexcrichton/appveyor-scrape/Cargo.toml
[INFO] crate alexcrichton/appveyor-scrape already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexcrichton/appveyor-scrape 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/gh/alexcrichton/appveyor-scrape:/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] 5e8f522662950510f3e3ce6203e0f9d984b261f1c0ce40efaaa2cb5a5a1c0594
[INFO] running `"docker" "start" "-a" "5e8f522662950510f3e3ce6203e0f9d984b261f1c0ce40efaaa2cb5a5a1c0594"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling socket2 v0.3.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling curl v0.4.11
[INFO] [stderr]    Compiling tokio-curl v0.1.11
[INFO] [stderr]    Compiling appveyor-scrape v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/plot-two-log-statements.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut lines = contents.lines();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `"docker" "inspect" "5e8f522662950510f3e3ce6203e0f9d984b261f1c0ce40efaaa2cb5a5a1c0594"`
[INFO] running `"docker" "rm" "-f" "5e8f522662950510f3e3ce6203e0f9d984b261f1c0ce40efaaa2cb5a5a1c0594"`
[INFO] [stdout] 5e8f522662950510f3e3ce6203e0f9d984b261f1c0ce40efaaa2cb5a5a1c0594
[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/gh/alexcrichton/appveyor-scrape:/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] 40ff75c4753a62517f3be9a19a59dc42bc64c6629bec2b88ca6be9397d3469b6
[INFO] running `"docker" "start" "-a" "40ff75c4753a62517f3be9a19a59dc42bc64c6629bec2b88ca6be9397d3469b6"`
[INFO] [stderr]    Compiling appveyor-scrape v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/plot-two-log-statements.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut lines = contents.lines();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "40ff75c4753a62517f3be9a19a59dc42bc64c6629bec2b88ca6be9397d3469b6"`
[INFO] running `"docker" "rm" "-f" "40ff75c4753a62517f3be9a19a59dc42bc64c6629bec2b88ca6be9397d3469b6"`
[INFO] [stdout] 40ff75c4753a62517f3be9a19a59dc42bc64c6629bec2b88ca6be9397d3469b6
[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/gh/alexcrichton/appveyor-scrape:/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] 9228fb968f62a3a3e52915020f3a31e78faaacbfb3d37202c993fc17d4f60b6a
[INFO] running `"docker" "start" "-a" "9228fb968f62a3a3e52915020f3a31e78faaacbfb3d37202c993fc17d4f60b6a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/appveyor_scrape-12bd370fb97725e8
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compare_two_logs-3bd5ae490f13a224
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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] [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] [stderr]      Running /opt/crater/target/debug/deps/download_logs-88b2b1112b2987a8
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plot_total_time-6e030b728d87b53b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plot_two_log_statements-127180c4ee2712e9
[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] [stderr]    Doc-tests appveyor-scrape
[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" "9228fb968f62a3a3e52915020f3a31e78faaacbfb3d37202c993fc17d4f60b6a"`
[INFO] running `"docker" "rm" "-f" "9228fb968f62a3a3e52915020f3a31e78faaacbfb3d37202c993fc17d4f60b6a"`
[INFO] [stdout] 9228fb968f62a3a3e52915020f3a31e78faaacbfb3d37202c993fc17d4f60b6a