[INFO] updating cached repository zacheryph/leetcode-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zacheryph/leetcode-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zacheryph/leetcode-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/zacheryph/leetcode-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zacheryph/leetcode-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zacheryph/leetcode-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacheryph/leetcode-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacheryph/leetcode-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17605fe38dc8c27667f9f0bf6c9f9ecc85d05e8f
[INFO] sha for GitHub repo zacheryph/leetcode-rust: 17605fe38dc8c27667f9f0bf6c9f9ecc85d05e8f
[INFO] validating manifest of zacheryph/leetcode-rust 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 zacheryph/leetcode-rust 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 zacheryph/leetcode-rust
[INFO] finished frobbing zacheryph/leetcode-rust
[INFO] frobbed toml for zacheryph/leetcode-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/zacheryph/leetcode-rust/Cargo.toml
[INFO] started frobbing zacheryph/leetcode-rust
[INFO] finished frobbing zacheryph/leetcode-rust
[INFO] frobbed toml for zacheryph/leetcode-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacheryph/leetcode-rust/Cargo.toml
[INFO] crate zacheryph/leetcode-rust 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 zacheryph/leetcode-rust 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacheryph/leetcode-rust:/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] e7f59f061b1fe47140a532c9251124c00f02514102b62474c4db306db4e5bae3
[INFO] running `"docker" "start" "-a" "e7f59f061b1fe47140a532c9251124c00f02514102b62474c4db306db4e5bae3"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `"docker" "inspect" "e7f59f061b1fe47140a532c9251124c00f02514102b62474c4db306db4e5bae3"`
[INFO] running `"docker" "rm" "-f" "e7f59f061b1fe47140a532c9251124c00f02514102b62474c4db306db4e5bae3"`
[INFO] [stdout] e7f59f061b1fe47140a532c9251124c00f02514102b62474c4db306db4e5bae3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacheryph/leetcode-rust:/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] a2175700027b5bcffea7c842b6ae256cbd1bdc5448e50e5fb1558d0aa520d38e
[INFO] running `"docker" "start" "-a" "a2175700027b5bcffea7c842b6ae256cbd1bdc5448e50e5fb1558d0aa520d38e"`
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "a2175700027b5bcffea7c842b6ae256cbd1bdc5448e50e5fb1558d0aa520d38e"`
[INFO] running `"docker" "rm" "-f" "a2175700027b5bcffea7c842b6ae256cbd1bdc5448e50e5fb1558d0aa520d38e"`
[INFO] [stdout] a2175700027b5bcffea7c842b6ae256cbd1bdc5448e50e5fb1558d0aa520d38e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacheryph/leetcode-rust:/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] f958fa941a74e9876bfcae9b47a926c94434fbe3c1549e660aa4fbff3b20cb31
[INFO] running `"docker" "start" "-a" "f958fa941a74e9876bfcae9b47a926c94434fbe3c1549e660aa4fbff3b20cb31"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/leetcode_rust-c8a017404f59e256
[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/leetcode_rust-7181b712386139e3
[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" "f958fa941a74e9876bfcae9b47a926c94434fbe3c1549e660aa4fbff3b20cb31"`
[INFO] running `"docker" "rm" "-f" "f958fa941a74e9876bfcae9b47a926c94434fbe3c1549e660aa4fbff3b20cb31"`
[INFO] [stdout] f958fa941a74e9876bfcae9b47a926c94434fbe3c1549e660aa4fbff3b20cb31