[INFO] fetching crate slide 0.0.1...
[INFO] testing slide-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slide 0.0.1 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate slide 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slide 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slide 0.0.1
[INFO] tweaked toml for crates.io crate slide 0.0.1 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate slide 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded rug v1.9.0
[INFO] [stderr]   Downloaded libslide v0.0.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 581c4f5bcedd400868311a35467595c270a3bad88c0f251de0d07d1ea7207d05
[INFO] running `Command { std: "docker" "start" "-a" "581c4f5bcedd400868311a35467595c270a3bad88c0f251de0d07d1ea7207d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "581c4f5bcedd400868311a35467595c270a3bad88c0f251de0d07d1ea7207d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581c4f5bcedd400868311a35467595c270a3bad88c0f251de0d07d1ea7207d05", kill_on_drop: false }`
[INFO] [stdout] 581c4f5bcedd400868311a35467595c270a3bad88c0f251de0d07d1ea7207d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 858dddf3b4347b3c60042c795dddd48ecd424abc234bd75b32df954856fe5949
[INFO] running `Command { std: "docker" "start" "-a" "858dddf3b4347b3c60042c795dddd48ecd424abc234bd75b32df954856fe5949", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rug v1.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling az v1.0.0
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling libslide v0.0.1
[INFO] [stderr]    Compiling slide v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 57s
[INFO] running `Command { std: "docker" "inspect" "858dddf3b4347b3c60042c795dddd48ecd424abc234bd75b32df954856fe5949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858dddf3b4347b3c60042c795dddd48ecd424abc234bd75b32df954856fe5949", kill_on_drop: false }`
[INFO] [stdout] 858dddf3b4347b3c60042c795dddd48ecd424abc234bd75b32df954856fe5949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] def56f9788d4a8e0e125cc43eb7e5921e68355adff3906966f0177838bcc34bb
[INFO] running `Command { std: "docker" "start" "-a" "def56f9788d4a8e0e125cc43eb7e5921e68355adff3906966f0177838bcc34bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling slide v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libtest_mimic`
[INFO] [stdout]  --> src/test/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libtest_mimic::{run_tests, Arguments, LineFormat, LinePrinter, Outcome, Test};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `libtest_mimic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libtest_mimic`
[INFO] [stdout]  --> src/test/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libtest_mimic::{run_tests, Arguments, LineFormat, LinePrinter, Outcome, Test};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `libtest_mimic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slide` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "def56f9788d4a8e0e125cc43eb7e5921e68355adff3906966f0177838bcc34bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def56f9788d4a8e0e125cc43eb7e5921e68355adff3906966f0177838bcc34bb", kill_on_drop: false }`
[INFO] [stdout] def56f9788d4a8e0e125cc43eb7e5921e68355adff3906966f0177838bcc34bb