[INFO] updating cached repository hwchen/reddit-focus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hwchen/reddit-focus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hwchen/reddit-focus" "work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/reddit-focus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/reddit-focus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hwchen/reddit-focus" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/reddit-focus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/reddit-focus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13dfb0a8c058689bbc06a74d5f24c89af5cade5f
[INFO] sha for GitHub repo hwchen/reddit-focus: 13dfb0a8c058689bbc06a74d5f24c89af5cade5f
[INFO] validating manifest of hwchen/reddit-focus 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 hwchen/reddit-focus 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 hwchen/reddit-focus
[INFO] finished frobbing hwchen/reddit-focus
[INFO] frobbed toml for hwchen/reddit-focus written to work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/reddit-focus/Cargo.toml
[INFO] started frobbing hwchen/reddit-focus
[INFO] finished frobbing hwchen/reddit-focus
[INFO] frobbed toml for hwchen/reddit-focus written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/reddit-focus/Cargo.toml
[INFO] crate hwchen/reddit-focus 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing hwchen/reddit-focus 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/reddit-focus:/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] b1a3c50e82dde10218ed926a5aeb1c8f04c91a48c3a221114a99349435203fea
[INFO] running `"docker" "start" "-a" "b1a3c50e82dde10218ed926a5aeb1c8f04c91a48c3a221114a99349435203fea"`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling itoa v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling tokio-executor v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling tokio v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-core v0.1.15
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.12
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.22
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling reddit-focus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `after`
[INFO] [stderr]   --> src/main.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let (after, new_posts) = get_new_posts(&client, &subreddit, token, n)?;
[INFO] [stderr]    |          ^^^^^ help: consider prefixing with an underscore: `_after`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TOKEN_ENDPOINT`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const TOKEN_ENDPOINT: &str = "https://www.reddit.com/api/v1/access_token";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CLIENT_ID`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const CLIENT_ID: &str = "8YAYsOZ17tKZ_g";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_token`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn get_token(client: &reqwest::Client, token_endpoint: &str, client_id: &str, secret: &str) -> Result<TokenResponse, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "b1a3c50e82dde10218ed926a5aeb1c8f04c91a48c3a221114a99349435203fea"`
[INFO] running `"docker" "rm" "-f" "b1a3c50e82dde10218ed926a5aeb1c8f04c91a48c3a221114a99349435203fea"`
[INFO] [stdout] b1a3c50e82dde10218ed926a5aeb1c8f04c91a48c3a221114a99349435203fea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/reddit-focus:/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] c9aafb7017305d7ecde100a01280809da1a2a97d2b202b1e104e1972cb6c8916
[INFO] running `"docker" "start" "-a" "c9aafb7017305d7ecde100a01280809da1a2a97d2b202b1e104e1972cb6c8916"`
[INFO] [stderr]    Compiling reddit-focus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `after`
[INFO] [stderr]   --> src/main.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let (after, new_posts) = get_new_posts(&client, &subreddit, token, n)?;
[INFO] [stderr]    |          ^^^^^ help: consider prefixing with an underscore: `_after`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TOKEN_ENDPOINT`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const TOKEN_ENDPOINT: &str = "https://www.reddit.com/api/v1/access_token";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CLIENT_ID`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const CLIENT_ID: &str = "8YAYsOZ17tKZ_g";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_token`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn get_token(client: &reqwest::Client, token_endpoint: &str, client_id: &str, secret: &str) -> Result<TokenResponse, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "c9aafb7017305d7ecde100a01280809da1a2a97d2b202b1e104e1972cb6c8916"`
[INFO] running `"docker" "rm" "-f" "c9aafb7017305d7ecde100a01280809da1a2a97d2b202b1e104e1972cb6c8916"`
[INFO] [stdout] c9aafb7017305d7ecde100a01280809da1a2a97d2b202b1e104e1972cb6c8916
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/reddit-focus:/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] ba9700894585856a238a5ac36be1d2661553ec49ed706eda0a1ace460f82a0d6
[INFO] running `"docker" "start" "-a" "ba9700894585856a238a5ac36be1d2661553ec49ed706eda0a1ace460f82a0d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reddit_focus-1d7c5f52b4dfabc9
[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" "ba9700894585856a238a5ac36be1d2661553ec49ed706eda0a1ace460f82a0d6"`
[INFO] running `"docker" "rm" "-f" "ba9700894585856a238a5ac36be1d2661553ec49ed706eda0a1ace460f82a0d6"`
[INFO] [stdout] ba9700894585856a238a5ac36be1d2661553ec49ed706eda0a1ace460f82a0d6