[INFO] cloning repository https://github.com/Dhid/missue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dhid/missue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhid%2Fmissue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhid%2Fmissue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 79aa17ed66de26f2c38e531087a1ce23be8dfdbd [INFO] checking Dhid/missue against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhid%2Fmissue" "/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/Dhid/missue 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/Dhid/missue [INFO] finished tweaking git repo https://github.com/Dhid/missue [INFO] tweaked toml for git repo https://github.com/Dhid/missue written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Dhid/missue 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.114 [INFO] [stderr] Downloaded miniz_oxide v0.4.0 [INFO] [stderr] Downloaded serde_derive v1.0.114 [INFO] [stderr] Downloaded chrono v0.4.13 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bb4ed1c36eba776e4c8e2f02375c2e002a81eb4a039afc0f722392fbdd42214 [INFO] running `Command { std: "docker" "start" "-a" "5bb4ed1c36eba776e4c8e2f02375c2e002a81eb4a039afc0f722392fbdd42214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bb4ed1c36eba776e4c8e2f02375c2e002a81eb4a039afc0f722392fbdd42214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb4ed1c36eba776e4c8e2f02375c2e002a81eb4a039afc0f722392fbdd42214", kill_on_drop: false }` [INFO] [stdout] 5bb4ed1c36eba776e4c8e2f02375c2e002a81eb4a039afc0f722392fbdd42214 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae044df281c3d69a66420556a1bb8b3fa7048437d53350c8752ac51d6a2b58bd [INFO] running `Command { std: "docker" "start" "-a" "ae044df281c3d69a66420556a1bb8b3fa7048437d53350c8752ac51d6a2b58bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking predicates v1.0.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking missue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | &issue.with_description(description); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = &issue.with_description(description); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | &issue.with_status(status); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = &issue.with_status(status); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | &issue.with_description(description); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = &issue.with_description(description); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | &issue.with_status(status); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = &issue.with_status(status); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.63s [INFO] running `Command { std: "docker" "inspect" "ae044df281c3d69a66420556a1bb8b3fa7048437d53350c8752ac51d6a2b58bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae044df281c3d69a66420556a1bb8b3fa7048437d53350c8752ac51d6a2b58bd", kill_on_drop: false }` [INFO] [stdout] ae044df281c3d69a66420556a1bb8b3fa7048437d53350c8752ac51d6a2b58bd [INFO] checking Dhid/missue against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhid%2Fmissue" "/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/Dhid/missue on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Dhid/missue [INFO] finished tweaking git repo https://github.com/Dhid/missue [INFO] tweaked toml for git repo https://github.com/Dhid/missue written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Dhid/missue 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d45bdace1cb7422097038763990e4a8868fb5dd733775bb2ba896ab88ee335e [INFO] running `Command { std: "docker" "start" "-a" "7d45bdace1cb7422097038763990e4a8868fb5dd733775bb2ba896ab88ee335e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d45bdace1cb7422097038763990e4a8868fb5dd733775bb2ba896ab88ee335e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d45bdace1cb7422097038763990e4a8868fb5dd733775bb2ba896ab88ee335e", kill_on_drop: false }` [INFO] [stdout] 7d45bdace1cb7422097038763990e4a8868fb5dd733775bb2ba896ab88ee335e [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afd5fcba9d88d2c6808440be86f6cd9b86f2994a95eddef41391c1eb50630da7 [INFO] running `Command { std: "docker" "start" "-a" "afd5fcba9d88d2c6808440be86f6cd9b86f2994a95eddef41391c1eb50630da7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking predicates v1.0.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking missue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | &issue.with_description(description); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = &issue.with_description(description); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | &issue.with_status(status); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = &issue.with_status(status); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | &issue.with_description(description); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = &issue.with_description(description); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/missue.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | &issue.with_status(status); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = &issue.with_status(status); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.48s [INFO] running `Command { std: "docker" "inspect" "afd5fcba9d88d2c6808440be86f6cd9b86f2994a95eddef41391c1eb50630da7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afd5fcba9d88d2c6808440be86f6cd9b86f2994a95eddef41391c1eb50630da7", kill_on_drop: false }` [INFO] [stdout] afd5fcba9d88d2c6808440be86f6cd9b86f2994a95eddef41391c1eb50630da7