[INFO] cloning repository https://github.com/wycats/salsa-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wycats/salsa-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fsalsa-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fsalsa-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1829f87e55653290a993f64e4a55559ca3d232dc
[INFO] checking wycats/salsa-examples against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fsalsa-examples" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wycats/salsa-examples on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wycats/salsa-examples
[INFO] finished tweaking git repo https://github.com/wycats/salsa-examples
[INFO] tweaked toml for git repo https://github.com/wycats/salsa-examples written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wycats/salsa-examples 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded derive-new v0.5.5
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded salsa v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f3eed9cacc201dedc9a8ac2b35a7dd4e38411b0466f48fffdb855136c17174
[INFO] running `Command { std: "docker" "start" "-a" "d8f3eed9cacc201dedc9a8ac2b35a7dd4e38411b0466f48fffdb855136c17174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f3eed9cacc201dedc9a8ac2b35a7dd4e38411b0466f48fffdb855136c17174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f3eed9cacc201dedc9a8ac2b35a7dd4e38411b0466f48fffdb855136c17174", kill_on_drop: false }`
[INFO] [stdout] d8f3eed9cacc201dedc9a8ac2b35a7dd4e38411b0466f48fffdb855136c17174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 483cedf6ac18f90f85ba0a49e5bdbb71173381a9849407388383cd664ce7a955
[INFO] running `Command { std: "docker" "start" "-a" "483cedf6ac18f90f85ba0a49e5bdbb71173381a9849407388383cd664ce7a955", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling derive-new v0.5.5
[INFO] [stderr]     Checking salsa v0.7.0
[INFO] [stderr]     Checking salsa-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `pub(crate)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `pub(crate)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found keyword `struct`
[INFO] [stdout]   --> src/database.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | crate struct DatabaseStruct {
[INFO] [stdout]    |       ^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found keyword `struct`
[INFO] [stdout]   --> src/database.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | crate struct DatabaseStruct {
[INFO] [stdout]    |       ^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `self::database::ArrayDatabase`, `self::database::ArrayId`, `self::database::DatabaseStruct`, `self::database::InternedArray`, `self::database::InternedString`, `self::database::StringId`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ArrayDatabase, ArrayId, DatabaseStruct, InternedArray, InternedString, StringId,
[INFO] [stdout]   |     ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^ no `StringId` in `database`
[INFO] [stdout]   |     |              |        |               |              |
[INFO] [stdout]   |     |              |        |               |              no `InternedString` in `database`
[INFO] [stdout]   |     |              |        |               no `InternedArray` in `database`
[INFO] [stdout]   |     |              |        no `DatabaseStruct` in `database`
[INFO] [stdout]   |     |              no `ArrayId` in `database`
[INFO] [stdout]   |     no `ArrayDatabase` in `database`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `self::database::ArrayDatabase`, `self::database::ArrayId`, `self::database::DatabaseStruct`, `self::database::InternedArray`, `self::database::InternedString`, `self::database::StringId`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ArrayDatabase, ArrayId, DatabaseStruct, InternedArray, InternedString, StringId,
[INFO] [stdout]   |     ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^ no `StringId` in `database`
[INFO] [stdout]   |     |              |        |               |              |
[INFO] [stdout]   |     |              |        |               |              no `InternedString` in `database`
[INFO] [stdout]   |     |              |        |               no `InternedArray` in `database`
[INFO] [stdout]   |     |              |        no `DatabaseStruct` in `database`
[INFO] [stdout]   |     |              no `ArrayId` in `database`
[INFO] [stdout]   |     no `ArrayDatabase` in `database`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `salsa::Database`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use salsa::Database;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `salsa::Database`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use salsa::Database;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `salsa-test` (bin "salsa-test") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `salsa-test` (bin "salsa-test" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "483cedf6ac18f90f85ba0a49e5bdbb71173381a9849407388383cd664ce7a955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483cedf6ac18f90f85ba0a49e5bdbb71173381a9849407388383cd664ce7a955", kill_on_drop: false }`
[INFO] [stdout] 483cedf6ac18f90f85ba0a49e5bdbb71173381a9849407388383cd664ce7a955