[INFO] updating cached repository Maaarcocr/slow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Maaarcocr/slow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Maaarcocr/slow" "work/ex/beta-1.38-1/sources/1.37.0/gh/Maaarcocr/slow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Maaarcocr/slow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Maaarcocr/slow" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Maaarcocr/slow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Maaarcocr/slow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fc413e8bd6c721a37d5c86112a0ce5d89522f0a
[INFO] sha for GitHub repo Maaarcocr/slow: 2fc413e8bd6c721a37d5c86112a0ce5d89522f0a
[INFO] validating manifest of Maaarcocr/slow 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 Maaarcocr/slow 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 Maaarcocr/slow
[INFO] finished frobbing Maaarcocr/slow
[INFO] frobbed toml for Maaarcocr/slow written to work/ex/beta-1.38-1/sources/1.37.0/gh/Maaarcocr/slow/Cargo.toml
[INFO] started frobbing Maaarcocr/slow
[INFO] finished frobbing Maaarcocr/slow
[INFO] frobbed toml for Maaarcocr/slow written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Maaarcocr/slow/Cargo.toml
[INFO] crate Maaarcocr/slow 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 Maaarcocr/slow 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-3/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/Maaarcocr/slow:/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] ad1102630732714dcbbe8e072b40b643c95626c92c186575da920dafb4474f4c
[INFO] running `"docker" "start" "-a" "ad1102630732714dcbbe8e072b40b643c95626c92c186575da920dafb4474f4c"`
[INFO] [stderr]    Compiling slow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/slow.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     lazy_static! {
[INFO] [stderr] 62 | |         static ref RE : Regex = Regex::new(r"([^\s]*)\s([^\s]*)\s([^\s]*)").unwrap();
[INFO] [stderr] 63 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/slow.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     lazy_static! {
[INFO] [stderr] 62 | |         static ref RE : Regex = Regex::new(r"([^\s]*)\s([^\s]*)\s([^\s]*)").unwrap();
[INFO] [stderr] 63 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn homepage(request: Request, mut writer: Writer) {
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn marco(request: Request, mut writer: Writer) {
[INFO] [stderr]    |          ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/writer.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.stream.write(res.as_bytes());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "ad1102630732714dcbbe8e072b40b643c95626c92c186575da920dafb4474f4c"`
[INFO] running `"docker" "rm" "-f" "ad1102630732714dcbbe8e072b40b643c95626c92c186575da920dafb4474f4c"`
[INFO] [stdout] ad1102630732714dcbbe8e072b40b643c95626c92c186575da920dafb4474f4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/Maaarcocr/slow:/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] b1306c2907ddde07ac12b0a0914190cef7627c743d29d3976173057d5bd80f27
[INFO] running `"docker" "start" "-a" "b1306c2907ddde07ac12b0a0914190cef7627c743d29d3976173057d5bd80f27"`
[INFO] [stderr]    Compiling slow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/slow.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     lazy_static! {
[INFO] [stderr] 62 | |         static ref RE : Regex = Regex::new(r"([^\s]*)\s([^\s]*)\s([^\s]*)").unwrap();
[INFO] [stderr] 63 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/slow.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     lazy_static! {
[INFO] [stderr] 62 | |         static ref RE : Regex = Regex::new(r"([^\s]*)\s([^\s]*)\s([^\s]*)").unwrap();
[INFO] [stderr] 63 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn homepage(request: Request, mut writer: Writer) {
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn marco(request: Request, mut writer: Writer) {
[INFO] [stderr]    |          ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/writer.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.stream.write(res.as_bytes());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "b1306c2907ddde07ac12b0a0914190cef7627c743d29d3976173057d5bd80f27"`
[INFO] running `"docker" "rm" "-f" "b1306c2907ddde07ac12b0a0914190cef7627c743d29d3976173057d5bd80f27"`
[INFO] [stdout] b1306c2907ddde07ac12b0a0914190cef7627c743d29d3976173057d5bd80f27
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/Maaarcocr/slow:/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] ef89883f3cc53c7ea37a01a92668b781566915ce35f1a63e2a3f6cd8fbcd5ef8
[INFO] running `"docker" "start" "-a" "ef89883f3cc53c7ea37a01a92668b781566915ce35f1a63e2a3f6cd8fbcd5ef8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slow-058a33aa90732a39
[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" "ef89883f3cc53c7ea37a01a92668b781566915ce35f1a63e2a3f6cd8fbcd5ef8"`
[INFO] running `"docker" "rm" "-f" "ef89883f3cc53c7ea37a01a92668b781566915ce35f1a63e2a3f6cd8fbcd5ef8"`
[INFO] [stdout] ef89883f3cc53c7ea37a01a92668b781566915ce35f1a63e2a3f6cd8fbcd5ef8