[INFO] cloning repository https://github.com/Ella-Hoeppner/GSE [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ella-Hoeppner/GSE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElla-Hoeppner%2FGSE", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElla-Hoeppner%2FGSE'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4bd240a481523c61278a1f22ae4030f48855699c [INFO] checking Ella-Hoeppner/GSE against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElla-Hoeppner%2FGSE" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Ella-Hoeppner/GSE [INFO] finished tweaking git repo https://github.com/Ella-Hoeppner/GSE [INFO] tweaked toml for git repo https://github.com/Ella-Hoeppner/GSE written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Ella-Hoeppner/GSE on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Ella-Hoeppner/GSE 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cc336ff94515be72838bc8f6bb0c27a453df215e840a7132e924c7f6bc71db9 [INFO] running `Command { std: "docker" "start" "-a" "3cc336ff94515be72838bc8f6bb0c27a453df215e840a7132e924c7f6bc71db9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cc336ff94515be72838bc8f6bb0c27a453df215e840a7132e924c7f6bc71db9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cc336ff94515be72838bc8f6bb0c27a453df215e840a7132e924c7f6bc71db9", kill_on_drop: false }` [INFO] [stdout] 3cc336ff94515be72838bc8f6bb0c27a453df215e840a7132e924c7f6bc71db9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbdd6ad4b6c7620e72325e2e91242eb72fc58b9c22b29ebd30483105a85a9c5b [INFO] running `Command { std: "docker" "start" "-a" "bbdd6ad4b6c7620e72325e2e91242eb72fc58b9c22b29ebd30483105a85a9c5b", kill_on_drop: false }` [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking fsexp v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:429:5 [INFO] [stdout] | [INFO] [stdout] 429 | / self [INFO] [stdout] 430 | | .try_map(&|ast, path| Ok::<_, Never>(ast_mapper(ast, path))) [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:430:29 [INFO] [stdout] | [INFO] [stdout] 430 | .try_map(&|ast, path| Ok::<_, Never>(ast_mapper(ast, path))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:467:56 [INFO] [stdout] | [INFO] [stdout] 467 | .modify_paths::(&|mut other_path| { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 468 | | if is_prefix_of(&path[0..path.len() - 1], &other_path) [INFO] [stdout] 469 | | && *path.last().unwrap() <= other_path[path.len() - 1] [INFO] [stdout] ... | [INFO] [stdout] 473 | | Ok(other_path) [INFO] [stdout] 474 | | }) [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:473:17 [INFO] [stdout] | [INFO] [stdout] 473 | Ok(other_path) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fsexp` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:429:5 [INFO] [stdout] | [INFO] [stdout] 429 | / self [INFO] [stdout] 430 | | .try_map(&|ast, path| Ok::<_, Never>(ast_mapper(ast, path))) [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:430:29 [INFO] [stdout] | [INFO] [stdout] 430 | .try_map(&|ast, path| Ok::<_, Never>(ast_mapper(ast, path))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:467:56 [INFO] [stdout] | [INFO] [stdout] 467 | .modify_paths::(&|mut other_path| { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 468 | | if is_prefix_of(&path[0..path.len() - 1], &other_path) [INFO] [stdout] 469 | | && *path.last().unwrap() <= other_path[path.len() - 1] [INFO] [stdout] ... | [INFO] [stdout] 473 | | Ok(other_path) [INFO] [stdout] 474 | | }) [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/diff.rs:473:17 [INFO] [stdout] | [INFO] [stdout] 473 | Ok(other_path) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fsexp` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "bbdd6ad4b6c7620e72325e2e91242eb72fc58b9c22b29ebd30483105a85a9c5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbdd6ad4b6c7620e72325e2e91242eb72fc58b9c22b29ebd30483105a85a9c5b", kill_on_drop: false }` [INFO] [stdout] bbdd6ad4b6c7620e72325e2e91242eb72fc58b9c22b29ebd30483105a85a9c5b