[INFO] cloning repository https://github.com/olejodd10/blackboard_course_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olejodd10/blackboard_course_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folejodd10%2Fblackboard_course_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folejodd10%2Fblackboard_course_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc7fa7f7845b4dbebc2e16f2cafa1a81cff9826
[INFO] testing olejodd10/blackboard_course_manager against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folejodd10%2Fblackboard_course_manager" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olejodd10/blackboard_course_manager on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olejodd10/blackboard_course_manager
[INFO] finished tweaking git repo https://github.com/olejodd10/blackboard_course_manager
[INFO] tweaked toml for git repo https://github.com/olejodd10/blackboard_course_manager written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache v0.8.3
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded zip-extract v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a07d276550473cd51577dd1bcf1f69419b3ce8c44173847fe7560f9f02d424e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a07d276550473cd51577dd1bcf1f69419b3ce8c44173847fe7560f9f02d424e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a07d276550473cd51577dd1bcf1f69419b3ce8c44173847fe7560f9f02d424e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a07d276550473cd51577dd1bcf1f69419b3ce8c44173847fe7560f9f02d424e", kill_on_drop: false }`
[INFO] [stdout] 5a07d276550473cd51577dd1bcf1f69419b3ce8c44173847fe7560f9f02d424e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2f6b8ff2fd8b1fa4c4b00ba6905ab91e9c6a16e1def17395030c460cf1a10b1
[INFO] running `Command { std: "docker" "start" "-a" "f2f6b8ff2fd8b1fa4c4b00ba6905ab91e9c6a16e1def17395030c460cf1a10b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling string_cache v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling xml5ever v0.16.2
[INFO] [stderr]    Compiling zip-extract v0.1.1
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling scraper v0.12.0
[INFO] [stderr]    Compiling html2text v0.2.1
[INFO] [stderr]    Compiling blackboard_course_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `safe_truncate`
[INFO] [stdout]   --> src/bb_course/filename_utils.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn safe_truncate(s: &mut String, new_len: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "f2f6b8ff2fd8b1fa4c4b00ba6905ab91e9c6a16e1def17395030c460cf1a10b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f6b8ff2fd8b1fa4c4b00ba6905ab91e9c6a16e1def17395030c460cf1a10b1", kill_on_drop: false }`
[INFO] [stdout] f2f6b8ff2fd8b1fa4c4b00ba6905ab91e9c6a16e1def17395030c460cf1a10b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f85cb9d84541569b7d79368f5c8515a80834caa944a527333b90c0190a8f6521
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f85cb9d84541569b7d79368f5c8515a80834caa944a527333b90c0190a8f6521", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackboard_course_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `safe_truncate`
[INFO] [stdout]   --> src/bb_course/filename_utils.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn safe_truncate(s: &mut String, new_len: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `safe_truncate`
[INFO] [stdout]   --> src/bb_course/filename_utils.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn safe_truncate(s: &mut String, new_len: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "f85cb9d84541569b7d79368f5c8515a80834caa944a527333b90c0190a8f6521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85cb9d84541569b7d79368f5c8515a80834caa944a527333b90c0190a8f6521", kill_on_drop: false }`
[INFO] [stdout] f85cb9d84541569b7d79368f5c8515a80834caa944a527333b90c0190a8f6521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38c3dbb960493279f3a511864b38ca1e56eb8da158e31fd86f14f902db616ef2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38c3dbb960493279f3a511864b38ca1e56eb8da158e31fd86f14f902db616ef2", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `safe_truncate`
[INFO] [stderr]   --> src/bb_course/filename_utils.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn safe_truncate(s: &mut String, new_len: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `blackboard_course_manager` (lib) generated 1 warning
[INFO] [stderr] warning: `blackboard_course_manager` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blackboard_course_manager-551b2d233b4b5b96)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bbcm-60a63efe3a8d99a3)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blackboard_course_manager
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38c3dbb960493279f3a511864b38ca1e56eb8da158e31fd86f14f902db616ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c3dbb960493279f3a511864b38ca1e56eb8da158e31fd86f14f902db616ef2", kill_on_drop: false }`
[INFO] [stdout] 38c3dbb960493279f3a511864b38ca1e56eb8da158e31fd86f14f902db616ef2