[INFO] fetching crate slide 0.0.1...
[INFO] testing slide-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate slide 0.0.1 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slide 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slide 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded az v1.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded libslide v0.0.1
[INFO] [stderr]   Downloaded rug v1.9.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e3d8d3033c8e0609ce36b3561ada4efd460b19581e69e48c1bcc131d753912
[INFO] running `Command { std: "docker" "start" "-a" "a7e3d8d3033c8e0609ce36b3561ada4efd460b19581e69e48c1bcc131d753912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e3d8d3033c8e0609ce36b3561ada4efd460b19581e69e48c1bcc131d753912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e3d8d3033c8e0609ce36b3561ada4efd460b19581e69e48c1bcc131d753912", kill_on_drop: false }`
[INFO] [stdout] a7e3d8d3033c8e0609ce36b3561ada4efd460b19581e69e48c1bcc131d753912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9478b776452c3098189178b958241aa1b28b9474ff2d2f1f8ea9221f13ff454a
[INFO] running `Command { std: "docker" "start" "-a" "9478b776452c3098189178b958241aa1b28b9474ff2d2f1f8ea9221f13ff454a", 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 rug v1.9.0
[INFO] [stderr]    Compiling az v1.0.0
[INFO] [stderr]    Compiling yansi-term v0.1.2
[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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diagnostics.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn convert_associated_diagnostic(diagnostic: &AssociatedDiagnostic) -> Annotation {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn convert_associated_diagnostic(diagnostic: &AssociatedDiagnostic) -> Annotation<'_> {
[INFO] [stdout]    |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `Command { std: "docker" "inspect" "9478b776452c3098189178b958241aa1b28b9474ff2d2f1f8ea9221f13ff454a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9478b776452c3098189178b958241aa1b28b9474ff2d2f1f8ea9221f13ff454a", kill_on_drop: false }`
[INFO] [stdout] 9478b776452c3098189178b958241aa1b28b9474ff2d2f1f8ea9221f13ff454a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69d780a82c4342c9428323c9026057fe9e36b47f7450b6bf111612e6d10ab96e
[INFO] running `Command { std: "docker" "start" "-a" "69d780a82c4342c9428323c9026057fe9e36b47f7450b6bf111612e6d10ab96e", kill_on_drop: false }`
[INFO] [stderr]    Compiling slide v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diagnostics.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn convert_associated_diagnostic(diagnostic: &AssociatedDiagnostic) -> Annotation {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn convert_associated_diagnostic(diagnostic: &AssociatedDiagnostic) -> Annotation<'_> {
[INFO] [stdout]    |                                                                                  ++++
[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 unresolved module or unlinked crate `libtest_mimic`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `libtest_mimic`, use `cargo add libtest_mimic` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `libtest_mimic`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `libtest_mimic`, use `cargo add libtest_mimic` to add it to your `Cargo.toml`
[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` (test "system_tests") due to 1 previous error
[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: could not compile `slide` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "69d780a82c4342c9428323c9026057fe9e36b47f7450b6bf111612e6d10ab96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d780a82c4342c9428323c9026057fe9e36b47f7450b6bf111612e6d10ab96e", kill_on_drop: false }`
[INFO] [stdout] 69d780a82c4342c9428323c9026057fe9e36b47f7450b6bf111612e6d10ab96e