[INFO] updating cached repository Zedjones/Reddit-Refresh-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Zedjones/Reddit-Refresh-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Zedjones/Reddit-Refresh-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Zedjones/Reddit-Refresh-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Zedjones/Reddit-Refresh-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zedjones/Reddit-Refresh-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Zedjones/Reddit-Refresh-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Zedjones/Reddit-Refresh-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdef50494129124413e6294674c41c44b721b6e2
[INFO] sha for GitHub repo Zedjones/Reddit-Refresh-Rust: cdef50494129124413e6294674c41c44b721b6e2
[INFO] validating manifest of Zedjones/Reddit-Refresh-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 Zedjones/Reddit-Refresh-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 Zedjones/Reddit-Refresh-Rust
[INFO] finished frobbing Zedjones/Reddit-Refresh-Rust
[INFO] frobbed toml for Zedjones/Reddit-Refresh-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Zedjones/Reddit-Refresh-Rust/Cargo.toml
[INFO] started frobbing Zedjones/Reddit-Refresh-Rust
[INFO] finished frobbing Zedjones/Reddit-Refresh-Rust
[INFO] frobbed toml for Zedjones/Reddit-Refresh-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Zedjones/Reddit-Refresh-Rust/Cargo.toml
[INFO] crate Zedjones/Reddit-Refresh-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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Zedjones/Reddit-Refresh-Rust 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-5/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/Zedjones/Reddit-Refresh-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7aef9b3aefd7a9f4e58d23c1ec3ddf47d0a82831d21cc140f5915f2c4d03da5d
[INFO] running `"docker" "start" "-a" "7aef9b3aefd7a9f4e58d23c1ec3ddf47d0a82831d21cc140f5915f2c4d03da5d"`
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling tokio-timer v0.2.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling mime v0.3.7
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling tokio-fs v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling tokio v0.1.6
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling serde-hjson v0.8.1
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling config v0.8.0
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling reddit_refresh_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut toml_friendly_nick = &device.0;
[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 1m 35s
[INFO] running `"docker" "inspect" "7aef9b3aefd7a9f4e58d23c1ec3ddf47d0a82831d21cc140f5915f2c4d03da5d"`
[INFO] running `"docker" "rm" "-f" "7aef9b3aefd7a9f4e58d23c1ec3ddf47d0a82831d21cc140f5915f2c4d03da5d"`
[INFO] [stdout] 7aef9b3aefd7a9f4e58d23c1ec3ddf47d0a82831d21cc140f5915f2c4d03da5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/Zedjones/Reddit-Refresh-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a58878d632629c43d5af6eca899e688e610ca8d24ffda014660c9a948d4ee00d
[INFO] running `"docker" "start" "-a" "a58878d632629c43d5af6eca899e688e610ca8d24ffda014660c9a948d4ee00d"`
[INFO] [stderr]    Compiling reddit_refresh_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut toml_friendly_nick = &device.0;
[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 1.68s
[INFO] running `"docker" "inspect" "a58878d632629c43d5af6eca899e688e610ca8d24ffda014660c9a948d4ee00d"`
[INFO] running `"docker" "rm" "-f" "a58878d632629c43d5af6eca899e688e610ca8d24ffda014660c9a948d4ee00d"`
[INFO] [stdout] a58878d632629c43d5af6eca899e688e610ca8d24ffda014660c9a948d4ee00d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/Zedjones/Reddit-Refresh-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] af2bcdf6e9485beb2b979ce0e1fd5e703901713e81ce964650d9f989912ba801
[INFO] running `"docker" "start" "-a" "af2bcdf6e9485beb2b979ce0e1fd5e703901713e81ce964650d9f989912ba801"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reddit_refresh_rust-754669dc81520416
[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/reddit_refresh_rust-9e9b5859638e48be
[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 reddit_refresh_rust
[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" "af2bcdf6e9485beb2b979ce0e1fd5e703901713e81ce964650d9f989912ba801"`
[INFO] running `"docker" "rm" "-f" "af2bcdf6e9485beb2b979ce0e1fd5e703901713e81ce964650d9f989912ba801"`
[INFO] [stdout] af2bcdf6e9485beb2b979ce0e1fd5e703901713e81ce964650d9f989912ba801