[INFO] updating cached repository tmickel/arachnid
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tmickel/arachnid
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tmickel/arachnid" "work/ex/beta-1.38-1/sources/1.37.0/gh/tmickel/arachnid"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tmickel/arachnid'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tmickel/arachnid" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmickel/arachnid"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmickel/arachnid'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a83251e06ba867f5e704b27531cb73b711612218
[INFO] sha for GitHub repo tmickel/arachnid: a83251e06ba867f5e704b27531cb73b711612218
[INFO] validating manifest of tmickel/arachnid 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 tmickel/arachnid 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 tmickel/arachnid
[INFO] finished frobbing tmickel/arachnid
[INFO] frobbed toml for tmickel/arachnid written to work/ex/beta-1.38-1/sources/1.37.0/gh/tmickel/arachnid/Cargo.toml
[INFO] started frobbing tmickel/arachnid
[INFO] finished frobbing tmickel/arachnid
[INFO] frobbed toml for tmickel/arachnid written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmickel/arachnid/Cargo.toml
[INFO] crate tmickel/arachnid 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tmickel/arachnid 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmickel/arachnid:/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] a223c66add7809c1934c5025aa60a299d79ecca73db96ed245c802dc66c50845
[INFO] running `"docker" "start" "-a" "a223c66add7809c1934c5025aa60a299d79ecca73db96ed245c802dc66c50845"`
[INFO] [stderr]    Compiling libflate v0.1.20
[INFO] [stderr]    Compiling http v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling reqwest v0.9.10
[INFO] [stderr]    Compiling arachnid v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Css`
[INFO] [stderr]    --> src/webdriver.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Css,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LinkText`
[INFO] [stderr]    --> src/webdriver.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     LinkText,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PartialLinkText`
[INFO] [stderr]    --> src/webdriver.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     PartialLinkText,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TagName`
[INFO] [stderr]    --> src/webdriver.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     TagName,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "a223c66add7809c1934c5025aa60a299d79ecca73db96ed245c802dc66c50845"`
[INFO] running `"docker" "rm" "-f" "a223c66add7809c1934c5025aa60a299d79ecca73db96ed245c802dc66c50845"`
[INFO] [stdout] a223c66add7809c1934c5025aa60a299d79ecca73db96ed245c802dc66c50845
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmickel/arachnid:/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] 6f5d4e064465e53d2bdee95b9f8acdfcef76f3ca4d982949955a2928a0a01eec
[INFO] running `"docker" "start" "-a" "6f5d4e064465e53d2bdee95b9f8acdfcef76f3ca4d982949955a2928a0a01eec"`
[INFO] [stderr]    Compiling arachnid v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Css`
[INFO] [stderr]    --> src/webdriver.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Css,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LinkText`
[INFO] [stderr]    --> src/webdriver.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     LinkText,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PartialLinkText`
[INFO] [stderr]    --> src/webdriver.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     PartialLinkText,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TagName`
[INFO] [stderr]    --> src/webdriver.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     TagName,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "6f5d4e064465e53d2bdee95b9f8acdfcef76f3ca4d982949955a2928a0a01eec"`
[INFO] running `"docker" "rm" "-f" "6f5d4e064465e53d2bdee95b9f8acdfcef76f3ca4d982949955a2928a0a01eec"`
[INFO] [stdout] 6f5d4e064465e53d2bdee95b9f8acdfcef76f3ca4d982949955a2928a0a01eec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmickel/arachnid:/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"`
[INFO] [stdout] 3c7e3518dcfb3295c4094a6768e76944d15781b94dab4aa6b066cb9a09e41c9a
[INFO] running `"docker" "start" "-a" "3c7e3518dcfb3295c4094a6768e76944d15781b94dab4aa6b066cb9a09e41c9a"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arachnid-270d4729806e768b
[INFO] running `"docker" "inspect" "3c7e3518dcfb3295c4094a6768e76944d15781b94dab4aa6b066cb9a09e41c9a"`
[INFO] running `"docker" "rm" "-f" "3c7e3518dcfb3295c4094a6768e76944d15781b94dab4aa6b066cb9a09e41c9a"`
[INFO] [stdout] 3c7e3518dcfb3295c4094a6768e76944d15781b94dab4aa6b066cb9a09e41c9a