[INFO] cloning repository https://github.com/kilianmandscharo/greg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kilianmandscharo/greg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilianmandscharo%2Fgreg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilianmandscharo%2Fgreg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0773ee077e3c1deb4769fca5d13fa9791aeaf231
[INFO] checking kilianmandscharo/greg against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilianmandscharo%2Fgreg" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kilianmandscharo/greg 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/kilianmandscharo/greg
[INFO] finished tweaking git repo https://github.com/kilianmandscharo/greg
[INFO] tweaked toml for git repo https://github.com/kilianmandscharo/greg written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kilianmandscharo/greg 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3d91521ee5ef3fb08bfc256870ff680d5a54301eaf4f017e7b33494a993a414b
[INFO] running `Command { std: "docker" "start" "-a" "3d91521ee5ef3fb08bfc256870ff680d5a54301eaf4f017e7b33494a993a414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d91521ee5ef3fb08bfc256870ff680d5a54301eaf4f017e7b33494a993a414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d91521ee5ef3fb08bfc256870ff680d5a54301eaf4f017e7b33494a993a414b", kill_on_drop: false }`
[INFO] [stdout] 3d91521ee5ef3fb08bfc256870ff680d5a54301eaf4f017e7b33494a993a414b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 97eb408ded76ffa3a31732815288c42bc00eceb7e3233e6598c638424012f5b2
[INFO] running `Command { std: "docker" "start" "-a" "97eb408ded76ffa3a31732815288c42bc00eceb7e3233e6598c638424012f5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking greg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `end` and `description` are never read
[INFO] [stdout]  --> src/block.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Block {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub start: TimeOfDay,
[INFO] [stdout] 6 |     pub end: TimeOfDay,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub title: String,
[INFO] [stdout] 8 |     pub description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` has derived impls for the traits `Debug` and `Clone`, 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 `start` is never read
[INFO] [stdout]   --> src/time_of_day.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TimeOfDayRange {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 50 |     start: TimeOfDay,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end` and `description` are never read
[INFO] [stdout]  --> src/block.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Block {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub start: TimeOfDay,
[INFO] [stdout] 6 |     pub end: TimeOfDay,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub title: String,
[INFO] [stdout] 8 |     pub description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` has derived impls for the traits `Debug` and `Clone`, 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 `start` is never read
[INFO] [stdout]   --> src/time_of_day.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TimeOfDayRange {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 50 |     start: TimeOfDay,
[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 5.24s
[INFO] running `Command { std: "docker" "inspect" "97eb408ded76ffa3a31732815288c42bc00eceb7e3233e6598c638424012f5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97eb408ded76ffa3a31732815288c42bc00eceb7e3233e6598c638424012f5b2", kill_on_drop: false }`
[INFO] [stdout] 97eb408ded76ffa3a31732815288c42bc00eceb7e3233e6598c638424012f5b2
[INFO] checking kilianmandscharo/greg against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilianmandscharo%2Fgreg" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kilianmandscharo/greg 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/kilianmandscharo/greg
[INFO] finished tweaking git repo https://github.com/kilianmandscharo/greg
[INFO] tweaked toml for git repo https://github.com/kilianmandscharo/greg written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kilianmandscharo/greg 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f59ad17525963a8d1d59bb89d566fe3a957500cc851b78524e2197647410578
[INFO] running `Command { std: "docker" "start" "-a" "3f59ad17525963a8d1d59bb89d566fe3a957500cc851b78524e2197647410578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f59ad17525963a8d1d59bb89d566fe3a957500cc851b78524e2197647410578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f59ad17525963a8d1d59bb89d566fe3a957500cc851b78524e2197647410578", kill_on_drop: false }`
[INFO] [stdout] 3f59ad17525963a8d1d59bb89d566fe3a957500cc851b78524e2197647410578
[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" "-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] 47d69951330d36fd40ab9e3617503c49f54ba0b7801029c33dbfdd2f667a25c2
[INFO] running `Command { std: "docker" "start" "-a" "47d69951330d36fd40ab9e3617503c49f54ba0b7801029c33dbfdd2f667a25c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking greg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `end` and `description` are never read
[INFO] [stdout]  --> src/block.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Block {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub start: TimeOfDay,
[INFO] [stdout] 6 |     pub end: TimeOfDay,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub title: String,
[INFO] [stdout] 8 |     pub description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` has derived impls for the traits `Debug` and `Clone`, 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 `start` is never read
[INFO] [stdout]   --> src/time_of_day.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TimeOfDayRange {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 50 |     start: TimeOfDay,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end` and `description` are never read
[INFO] [stdout]  --> src/block.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Block {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub start: TimeOfDay,
[INFO] [stdout] 6 |     pub end: TimeOfDay,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub title: String,
[INFO] [stdout] 8 |     pub description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` has derived impls for the traits `Debug` and `Clone`, 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 `start` is never read
[INFO] [stdout]   --> src/time_of_day.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TimeOfDayRange {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 50 |     start: TimeOfDay,
[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 5.47s
[INFO] running `Command { std: "docker" "inspect" "47d69951330d36fd40ab9e3617503c49f54ba0b7801029c33dbfdd2f667a25c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d69951330d36fd40ab9e3617503c49f54ba0b7801029c33dbfdd2f667a25c2", kill_on_drop: false }`
[INFO] [stdout] 47d69951330d36fd40ab9e3617503c49f54ba0b7801029c33dbfdd2f667a25c2