[INFO] cloning repository https://github.com/richo/tinfo.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richo/tinfo.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Ftinfo.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Ftinfo.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 99b12d6289a8b7074baf8544cca267983f568038 [INFO] checking richo/tinfo.rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Ftinfo.rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richo/tinfo.rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/richo/tinfo.rs [INFO] finished tweaking git repo https://github.com/richo/tinfo.rs [INFO] tweaked toml for git repo https://github.com/richo/tinfo.rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/richo/tinfo.rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbbaf1bf9395f8184f0468a46bd95350b7652336842a00284a4f9343c86a60a1 [INFO] running `Command { std: "docker" "start" "-a" "cbbaf1bf9395f8184f0468a46bd95350b7652336842a00284a4f9343c86a60a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbbaf1bf9395f8184f0468a46bd95350b7652336842a00284a4f9343c86a60a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbbaf1bf9395f8184f0468a46bd95350b7652336842a00284a4f9343c86a60a1", kill_on_drop: false }` [INFO] [stdout] cbbaf1bf9395f8184f0468a46bd95350b7652336842a00284a4f9343c86a60a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bf8cf3e60d8d3cba5f013b74ed69857bd26469969060aae003668fd9817a9c7 [INFO] running `Command { std: "docker" "start" "-a" "8bf8cf3e60d8d3cba5f013b74ed69857bd26469969060aae003668fd9817a9c7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking object v0.28.4 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking tinfo v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use regex; [INFO] [stdout] | ^^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use regex; [INFO] [stdout] | ^^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `panes` is never read [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Tab { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | panes: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tab` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `panes` is never read [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Tab { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | panes: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tab` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.66s [INFO] running `Command { std: "docker" "inspect" "8bf8cf3e60d8d3cba5f013b74ed69857bd26469969060aae003668fd9817a9c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bf8cf3e60d8d3cba5f013b74ed69857bd26469969060aae003668fd9817a9c7", kill_on_drop: false }` [INFO] [stdout] 8bf8cf3e60d8d3cba5f013b74ed69857bd26469969060aae003668fd9817a9c7 [INFO] checking richo/tinfo.rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Ftinfo.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richo/tinfo.rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/richo/tinfo.rs [INFO] finished tweaking git repo https://github.com/richo/tinfo.rs [INFO] tweaked toml for git repo https://github.com/richo/tinfo.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/richo/tinfo.rs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4431b31d501916a37e5ee6823f8197674201785a65c8ede68c680920da513eff [INFO] running `Command { std: "docker" "start" "-a" "4431b31d501916a37e5ee6823f8197674201785a65c8ede68c680920da513eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4431b31d501916a37e5ee6823f8197674201785a65c8ede68c680920da513eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4431b31d501916a37e5ee6823f8197674201785a65c8ede68c680920da513eff", kill_on_drop: false }` [INFO] [stdout] 4431b31d501916a37e5ee6823f8197674201785a65c8ede68c680920da513eff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4a5fe9a8f37d252f0ec3619045ab81c8bc8ec207baca237bd5561d1dd4aad7f [INFO] running `Command { std: "docker" "start" "-a" "f4a5fe9a8f37d252f0ec3619045ab81c8bc8ec207baca237bd5561d1dd4aad7f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking object v0.28.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking tinfo v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use regex; [INFO] [stdout] | ^^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use regex; [INFO] [stdout] | ^^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `panes` is never read [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Tab { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | panes: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tab` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `panes` is never read [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Tab { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | panes: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tab` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.77s [INFO] running `Command { std: "docker" "inspect" "f4a5fe9a8f37d252f0ec3619045ab81c8bc8ec207baca237bd5561d1dd4aad7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4a5fe9a8f37d252f0ec3619045ab81c8bc8ec207baca237bd5561d1dd4aad7f", kill_on_drop: false }` [INFO] [stdout] f4a5fe9a8f37d252f0ec3619045ab81c8bc8ec207baca237bd5561d1dd4aad7f