[INFO] cloning repository https://github.com/RetricSu/lgrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RetricSu/lgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetricSu%2Flgrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetricSu%2Flgrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ebab5754e98f271085fa378e8251cc4c443e957 [INFO] checking RetricSu/lgrep 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%2FRetricSu%2Flgrep" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/RetricSu/lgrep [INFO] finished tweaking git repo https://github.com/RetricSu/lgrep [INFO] tweaked toml for git repo https://github.com/RetricSu/lgrep written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/RetricSu/lgrep 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/RetricSu/lgrep 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5c105538146e08e49689d486ee70916656ff817a682195d9b6314361247101e4 [INFO] running `Command { std: "docker" "start" "-a" "5c105538146e08e49689d486ee70916656ff817a682195d9b6314361247101e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c105538146e08e49689d486ee70916656ff817a682195d9b6314361247101e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c105538146e08e49689d486ee70916656ff817a682195d9b6314361247101e4", kill_on_drop: false }` [INFO] [stdout] 5c105538146e08e49689d486ee70916656ff817a682195d9b6314361247101e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d572ffab5fee2002883117be2fdb3793d165383821cd5a850fde179b640925cf [INFO] running `Command { std: "docker" "start" "-a" "d572ffab5fee2002883117be2fdb3793d165383821cd5a850fde179b640925cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bm-search v0.1.0 (/opt/rustwide/workdir/crates/bm-search) [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking lgrep v0.1.0 (/opt/rustwide/workdir/crates/lgrep) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> crates/lgrep/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> crates/lgrep/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | let pre = env!("CARGO_PKG_VERSION_PRE") [INFO] [stdout] | ___________________^ [INFO] [stdout] 42 | | .parse::() [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 [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:55:20 [INFO] [stdout] | [INFO] [stdout] 55 | let name = env!("CARGO_PKG_NAME") [INFO] [stdout] | ____________________^ [INFO] [stdout] 56 | | .parse::() [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | let author = env!("CARGO_PKG_AUTHORS") [INFO] [stdout] | ______________________^ [INFO] [stdout] 60 | | .parse::() [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:63:27 [INFO] [stdout] | [INFO] [stdout] 63 | let description = env!("CARGO_PKG_DESCRIPTION") [INFO] [stdout] | ___________________________^ [INFO] [stdout] 64 | | .parse::() [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lgrep` (bin "lgrep" test) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | let pre = env!("CARGO_PKG_VERSION_PRE") [INFO] [stdout] | ___________________^ [INFO] [stdout] 42 | | .parse::() [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 [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:55:20 [INFO] [stdout] | [INFO] [stdout] 55 | let name = env!("CARGO_PKG_NAME") [INFO] [stdout] | ____________________^ [INFO] [stdout] 56 | | .parse::() [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | let author = env!("CARGO_PKG_AUTHORS") [INFO] [stdout] | ______________________^ [INFO] [stdout] 60 | | .parse::() [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/lgrep/src/lib/metadata.rs:63:27 [INFO] [stdout] | [INFO] [stdout] 63 | let description = env!("CARGO_PKG_DESCRIPTION") [INFO] [stdout] | ___________________________^ [INFO] [stdout] 64 | | .parse::() [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lgrep` (bin "lgrep") due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d572ffab5fee2002883117be2fdb3793d165383821cd5a850fde179b640925cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d572ffab5fee2002883117be2fdb3793d165383821cd5a850fde179b640925cf", kill_on_drop: false }` [INFO] [stdout] d572ffab5fee2002883117be2fdb3793d165383821cd5a850fde179b640925cf