[INFO] updating cached repository grenade/rustyscraper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grenade/rustyscraper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grenade/rustyscraper" "work/ex/beta-1.38-1/sources/1.37.0/gh/grenade/rustyscraper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/grenade/rustyscraper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grenade/rustyscraper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grenade/rustyscraper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grenade/rustyscraper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e33bbbc9047b0c9a2f0dde60444edacf1ce2b13
[INFO] sha for GitHub repo grenade/rustyscraper: 4e33bbbc9047b0c9a2f0dde60444edacf1ce2b13
[INFO] validating manifest of grenade/rustyscraper 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 grenade/rustyscraper 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 grenade/rustyscraper
[INFO] finished frobbing grenade/rustyscraper
[INFO] frobbed toml for grenade/rustyscraper written to work/ex/beta-1.38-1/sources/1.37.0/gh/grenade/rustyscraper/Cargo.toml
[INFO] started frobbing grenade/rustyscraper
[INFO] finished frobbing grenade/rustyscraper
[INFO] frobbed toml for grenade/rustyscraper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grenade/rustyscraper/Cargo.toml
[INFO] crate grenade/rustyscraper 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 grenade/rustyscraper 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-0/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/grenade/rustyscraper:/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] 40e40d1234ade47ae18c0822dc503f20c4e65193b991f78481254c89a216939d
[INFO] running `"docker" "start" "-a" "40e40d1234ade47ae18c0822dc503f20c4e65193b991f78481254c89a216939d"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.24
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.30
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[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 rust_decimal v1.0.1
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling select v0.4.2
[INFO] [stderr]    Compiling rustyscraper v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `fs::File`
[INFO] [stderr]   --> src/main.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{collections::BTreeMap, fs, fs::File, path::PathBuf, str::FromStr, io::prelude::*};
[INFO] [stderr]    |                                      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coin_market_cap_all_today`
[INFO] [stderr]   --> src/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn coin_market_cap_all_today(url: &str, path: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coin_market_cap_history`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn coin_market_cap_history(id: &str, url: &str, path: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     file.read_to_string(&mut contents);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         json_all_rankings_file.read_to_string(&mut json_all_rankings_contents);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `"docker" "inspect" "40e40d1234ade47ae18c0822dc503f20c4e65193b991f78481254c89a216939d"`
[INFO] running `"docker" "rm" "-f" "40e40d1234ade47ae18c0822dc503f20c4e65193b991f78481254c89a216939d"`
[INFO] [stdout] 40e40d1234ade47ae18c0822dc503f20c4e65193b991f78481254c89a216939d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/grenade/rustyscraper:/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] 4655c0a2b2e081cfdf814df05ee3863981a02bb5ae15ab18dd986514a5ffc392
[INFO] running `"docker" "start" "-a" "4655c0a2b2e081cfdf814df05ee3863981a02bb5ae15ab18dd986514a5ffc392"`
[INFO] [stderr]    Compiling rustyscraper v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `fs::File`
[INFO] [stderr]   --> src/main.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{collections::BTreeMap, fs, fs::File, path::PathBuf, str::FromStr, io::prelude::*};
[INFO] [stderr]    |                                      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coin_market_cap_all_today`
[INFO] [stderr]   --> src/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn coin_market_cap_all_today(url: &str, path: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coin_market_cap_history`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn coin_market_cap_history(id: &str, url: &str, path: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     file.read_to_string(&mut contents);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         json_all_rankings_file.read_to_string(&mut json_all_rankings_contents);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `"docker" "inspect" "4655c0a2b2e081cfdf814df05ee3863981a02bb5ae15ab18dd986514a5ffc392"`
[INFO] running `"docker" "rm" "-f" "4655c0a2b2e081cfdf814df05ee3863981a02bb5ae15ab18dd986514a5ffc392"`
[INFO] [stdout] 4655c0a2b2e081cfdf814df05ee3863981a02bb5ae15ab18dd986514a5ffc392
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/grenade/rustyscraper:/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] ad003859da8b4c5520b6ea5c13e625d9519c2a2d7590a029e115490bdf9ca6b3
[INFO] running `"docker" "start" "-a" "ad003859da8b4c5520b6ea5c13e625d9519c2a2d7590a029e115490bdf9ca6b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustyscraper-760d722e221f85b4
[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" "ad003859da8b4c5520b6ea5c13e625d9519c2a2d7590a029e115490bdf9ca6b3"`
[INFO] running `"docker" "rm" "-f" "ad003859da8b4c5520b6ea5c13e625d9519c2a2d7590a029e115490bdf9ca6b3"`
[INFO] [stdout] ad003859da8b4c5520b6ea5c13e625d9519c2a2d7590a029e115490bdf9ca6b3