[INFO] cloning repository https://github.com/wh317706/rust_cp_snippets [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wh317706/rust_cp_snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwh317706%2Frust_cp_snippets", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwh317706%2Frust_cp_snippets'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a98570c9cba5b9f33dfdc88afdfe1ec2e9abd54 [INFO] checking wh317706/rust_cp_snippets against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwh317706%2Frust_cp_snippets" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wh317706/rust_cp_snippets 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/wh317706/rust_cp_snippets [INFO] finished tweaking git repo https://github.com/wh317706/rust_cp_snippets [INFO] tweaked toml for git repo https://github.com/wh317706/rust_cp_snippets written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wh317706/rust_cp_snippets 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 cargo-snippet v0.6.1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49fbc2221bf4fa1c0ac52bdb41723cfa112ff16275204585e8020ca5ddf3cb3e [INFO] running `Command { std: "docker" "start" "-a" "49fbc2221bf4fa1c0ac52bdb41723cfa112ff16275204585e8020ca5ddf3cb3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49fbc2221bf4fa1c0ac52bdb41723cfa112ff16275204585e8020ca5ddf3cb3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49fbc2221bf4fa1c0ac52bdb41723cfa112ff16275204585e8020ca5ddf3cb3e", kill_on_drop: false }` [INFO] [stdout] 49fbc2221bf4fa1c0ac52bdb41723cfa112ff16275204585e8020ca5ddf3cb3e [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dfbda225674e25f689212bffd26f8dd93724412e40c20b6ab11393eba2087fe0 [INFO] running `Command { std: "docker" "start" "-a" "dfbda225674e25f689212bffd26f8dd93724412e40c20b6ab11393eba2087fe0", kill_on_drop: false }` [INFO] [stderr] Compiling cargo-snippet v0.6.1 [INFO] [stderr] Checking rust_cp_snippets v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin)] [INFO] [stdout] | ^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin)] [INFO] [stdout] | ^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/util.rs:141:1 [INFO] [stdout] | [INFO] [stdout] 141 | / /// let global = get_rc_mut(); [INFO] [stdout] 142 | | /// global.borrow_mut().push(1); [INFO] [stdout] 143 | | /// let x = global.borrow()[0]; [INFO] [stdout] | |_------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/util.rs:141:1 [INFO] [stdout] | [INFO] [stdout] 141 | / /// let global = get_rc_mut(); [INFO] [stdout] 142 | | /// global.borrow_mut().push(1); [INFO] [stdout] 143 | | /// let x = global.borrow()[0]; [INFO] [stdout] | |_------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/template.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut next = move || -> String{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] ... [INFO] [stdout] 163 | input!{} [INFO] [stdout] | -------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ans` [INFO] [stdout] --> src/template.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let mut ans: u64; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ans` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/template.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut next = move || -> String{ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 163 | input!{} [INFO] [stdout] | -------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_cp_snippets` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/template.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut next = move || -> String{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] ... [INFO] [stdout] 163 | input!{} [INFO] [stdout] | -------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ans` [INFO] [stdout] --> src/template.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let mut ans: u64; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ans` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/template.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut next = move || -> String{ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 163 | input!{} [INFO] [stdout] | -------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_cp_snippets` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dfbda225674e25f689212bffd26f8dd93724412e40c20b6ab11393eba2087fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfbda225674e25f689212bffd26f8dd93724412e40c20b6ab11393eba2087fe0", kill_on_drop: false }` [INFO] [stdout] dfbda225674e25f689212bffd26f8dd93724412e40c20b6ab11393eba2087fe0 [INFO] checking wh317706/rust_cp_snippets against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwh317706%2Frust_cp_snippets" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wh317706/rust_cp_snippets on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wh317706/rust_cp_snippets [INFO] finished tweaking git repo https://github.com/wh317706/rust_cp_snippets [INFO] tweaked toml for git repo https://github.com/wh317706/rust_cp_snippets written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wh317706/rust_cp_snippets 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 304833e04b3590de6404cc2df365d2d92456703e354e41425cf15275d913e242 [INFO] running `Command { std: "docker" "start" "-a" "304833e04b3590de6404cc2df365d2d92456703e354e41425cf15275d913e242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "304833e04b3590de6404cc2df365d2d92456703e354e41425cf15275d913e242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "304833e04b3590de6404cc2df365d2d92456703e354e41425cf15275d913e242", kill_on_drop: false }` [INFO] [stdout] 304833e04b3590de6404cc2df365d2d92456703e354e41425cf15275d913e242 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c08150a04e87f7c7c61b9bb0f8981834768468af2054895880a1c6960c5fc1f8 [INFO] running `Command { std: "docker" "start" "-a" "c08150a04e87f7c7c61b9bb0f8981834768468af2054895880a1c6960c5fc1f8", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "c08150a04e87f7c7c61b9bb0f8981834768468af2054895880a1c6960c5fc1f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c08150a04e87f7c7c61b9bb0f8981834768468af2054895880a1c6960c5fc1f8", kill_on_drop: false }` [INFO] [stdout] c08150a04e87f7c7c61b9bb0f8981834768468af2054895880a1c6960c5fc1f8