[INFO] cloning repository https://github.com/TortitasT/taskt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TortitasT/taskt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTortitasT%2Ftaskt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTortitasT%2Ftaskt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da017986ee4106ccd0e11903ec7e4311b6ac6a5a
[INFO] checking TortitasT/taskt against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTortitasT%2Ftaskt" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TortitasT/taskt 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/TortitasT/taskt
[INFO] finished tweaking git repo https://github.com/TortitasT/taskt
[INFO] tweaked toml for git repo https://github.com/TortitasT/taskt written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TortitasT/taskt 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 winnow v0.5.0
[INFO] [stderr]   Downloaded ratatui v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9a20c3f9f9da66a08e5d952fe80fb65e8bc862eedd89d6dcfea554a616c42d4d
[INFO] running `Command { std: "docker" "start" "-a" "9a20c3f9f9da66a08e5d952fe80fb65e8bc862eedd89d6dcfea554a616c42d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a20c3f9f9da66a08e5d952fe80fb65e8bc862eedd89d6dcfea554a616c42d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a20c3f9f9da66a08e5d952fe80fb65e8bc862eedd89d6dcfea554a616c42d4d", kill_on_drop: false }`
[INFO] [stdout] 9a20c3f9f9da66a08e5d952fe80fb65e8bc862eedd89d6dcfea554a616c42d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c67c77462fccc31e63a0055a6a00e37363f4575bc5d70c6b4ddaf846fe2cc3e2
[INFO] running `Command { std: "docker" "start" "-a" "c67c77462fccc31e63a0055a6a00e37363f4575bc5d70c6b4ddaf846fe2cc3e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking ratatui v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking taskt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/todo.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{prelude::*, BufReader, Error, Write},
[INFO] [stdout]   |          ----------                    ^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/todo.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{prelude::*, BufReader, Error, Write},
[INFO] [stdout]   |          ----------                    ^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "c67c77462fccc31e63a0055a6a00e37363f4575bc5d70c6b4ddaf846fe2cc3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67c77462fccc31e63a0055a6a00e37363f4575bc5d70c6b4ddaf846fe2cc3e2", kill_on_drop: false }`
[INFO] [stdout] c67c77462fccc31e63a0055a6a00e37363f4575bc5d70c6b4ddaf846fe2cc3e2
[INFO] checking TortitasT/taskt against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTortitasT%2Ftaskt" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TortitasT/taskt 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/TortitasT/taskt
[INFO] finished tweaking git repo https://github.com/TortitasT/taskt
[INFO] tweaked toml for git repo https://github.com/TortitasT/taskt written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TortitasT/taskt 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fc465cd765f256144a37910d77604a8ee682285321db0f2c2a3a227675b5afef
[INFO] running `Command { std: "docker" "start" "-a" "fc465cd765f256144a37910d77604a8ee682285321db0f2c2a3a227675b5afef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc465cd765f256144a37910d77604a8ee682285321db0f2c2a3a227675b5afef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc465cd765f256144a37910d77604a8ee682285321db0f2c2a3a227675b5afef", kill_on_drop: false }`
[INFO] [stdout] fc465cd765f256144a37910d77604a8ee682285321db0f2c2a3a227675b5afef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b306e405956bd1f2fb609286f2892a2912dca70af93980551e37a9c3724ee6bb
[INFO] running `Command { std: "docker" "start" "-a" "b306e405956bd1f2fb609286f2892a2912dca70af93980551e37a9c3724ee6bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking ratatui v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking taskt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/todo.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{prelude::*, BufReader, Error, Write},
[INFO] [stdout]   |          ----------                    ^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/todo.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{prelude::*, BufReader, Error, Write},
[INFO] [stdout]   |          ----------                    ^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "b306e405956bd1f2fb609286f2892a2912dca70af93980551e37a9c3724ee6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b306e405956bd1f2fb609286f2892a2912dca70af93980551e37a9c3724ee6bb", kill_on_drop: false }`
[INFO] [stdout] b306e405956bd1f2fb609286f2892a2912dca70af93980551e37a9c3724ee6bb