[INFO] updating cached repository https://github.com/sd-rust/sprep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d59c9d7980c517ad3f7e6758a0f6a2657336bdb5
[INFO] testing sd-rust/sprep against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsd-rust%2Fsprep" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sd-rust/sprep on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sd-rust/sprep
[INFO] finished tweaking git repo https://github.com/sd-rust/sprep
[INFO] tweaked toml for git repo https://github.com/sd-rust/sprep written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sd-rust/sprep already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c68a43b58885e5677f1954727562b0ca57799eeccd3d748b1b08065b6f91abb8
[INFO] running `"docker" "start" "-a" "c68a43b58885e5677f1954727562b0ca57799eeccd3d748b1b08065b6f91abb8"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling enumset v0.3.10
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum-map v0.2.36
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling cursive v0.8.2
[INFO] [stderr]    Compiling spaced_learner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]   --> src/model.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.53s
[INFO] running `"docker" "inspect" "c68a43b58885e5677f1954727562b0ca57799eeccd3d748b1b08065b6f91abb8"`
[INFO] running `"docker" "rm" "-f" "c68a43b58885e5677f1954727562b0ca57799eeccd3d748b1b08065b6f91abb8"`
[INFO] [stdout] c68a43b58885e5677f1954727562b0ca57799eeccd3d748b1b08065b6f91abb8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3f75fbb3a56b91eca6a8b315acb1568d9b1217421bf6283e1d0c238a4c848994
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3f75fbb3a56b91eca6a8b315acb1568d9b1217421bf6283e1d0c238a4c848994"`
[INFO] [stderr]    Compiling spaced_learner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]   --> src/model.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "3f75fbb3a56b91eca6a8b315acb1568d9b1217421bf6283e1d0c238a4c848994"`
[INFO] running `"docker" "rm" "-f" "3f75fbb3a56b91eca6a8b315acb1568d9b1217421bf6283e1d0c238a4c848994"`
[INFO] [stdout] 3f75fbb3a56b91eca6a8b315acb1568d9b1217421bf6283e1d0c238a4c848994
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] f3b65ab35d6924f01a181b403669bb43d870bfd46470ba9d02f7afb505778335
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f3b65ab35d6924f01a181b403669bb43d870bfd46470ba9d02f7afb505778335"`
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]   --> src/model.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spaced_learner-0650bf930446a0cf
[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" "f3b65ab35d6924f01a181b403669bb43d870bfd46470ba9d02f7afb505778335"`
[INFO] running `"docker" "rm" "-f" "f3b65ab35d6924f01a181b403669bb43d870bfd46470ba9d02f7afb505778335"`
[INFO] [stdout] f3b65ab35d6924f01a181b403669bb43d870bfd46470ba9d02f7afb505778335