[INFO] cloning repository https://github.com/mazylol/ght
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mazylol/ght" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazylol%2Fght", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazylol%2Fght'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2bda340ff4b11b3bfe955fd2f8738a3fd17a1f6
[INFO] checking mazylol/ght against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazylol%2Fght" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mazylol/ght 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/mazylol/ght
[INFO] finished tweaking git repo https://github.com/mazylol/ght
[INFO] tweaked toml for git repo https://github.com/mazylol/ght written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mazylol/ght 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e06f5d59f1a67562e9d7d3c486edd886a1cde2b1caae602dc31c6f26c6a15b7e
[INFO] running `Command { std: "docker" "start" "-a" "e06f5d59f1a67562e9d7d3c486edd886a1cde2b1caae602dc31c6f26c6a15b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e06f5d59f1a67562e9d7d3c486edd886a1cde2b1caae602dc31c6f26c6a15b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06f5d59f1a67562e9d7d3c486edd886a1cde2b1caae602dc31c6f26c6a15b7e", kill_on_drop: false }`
[INFO] [stdout] e06f5d59f1a67562e9d7d3c486edd886a1cde2b1caae602dc31c6f26c6a15b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5da331b6cc562153e7431b7e085fb8bdc4d033041481eb02886e62c5b58c037e
[INFO] running `Command { std: "docker" "start" "-a" "5da331b6cc562153e7431b7e085fb8bdc4d033041481eb02886e62c5b58c037e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking ght v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `config` and `cache` are never read
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct App<'a> {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 25 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub cache: Cache,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]   --> src/types/save.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Cache {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn save(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `cache` are never read
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct App<'a> {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 25 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub cache: Cache,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]   --> src/types/save.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Cache {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn save(&self) {
[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 13.86s
[INFO] running `Command { std: "docker" "inspect" "5da331b6cc562153e7431b7e085fb8bdc4d033041481eb02886e62c5b58c037e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da331b6cc562153e7431b7e085fb8bdc4d033041481eb02886e62c5b58c037e", kill_on_drop: false }`
[INFO] [stdout] 5da331b6cc562153e7431b7e085fb8bdc4d033041481eb02886e62c5b58c037e
[INFO] checking mazylol/ght against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazylol%2Fght" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mazylol/ght 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/mazylol/ght
[INFO] finished tweaking git repo https://github.com/mazylol/ght
[INFO] tweaked toml for git repo https://github.com/mazylol/ght written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mazylol/ght 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0c866247504292138c5aed9881e2e164de01430cfea2d6bf528d1dc3be8d0bb5
[INFO] running `Command { std: "docker" "start" "-a" "0c866247504292138c5aed9881e2e164de01430cfea2d6bf528d1dc3be8d0bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c866247504292138c5aed9881e2e164de01430cfea2d6bf528d1dc3be8d0bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c866247504292138c5aed9881e2e164de01430cfea2d6bf528d1dc3be8d0bb5", kill_on_drop: false }`
[INFO] [stdout] 0c866247504292138c5aed9881e2e164de01430cfea2d6bf528d1dc3be8d0bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 02048539ac5ac73d809affdbf976501e725506b6f0410f45af111e025b3015cd
[INFO] running `Command { std: "docker" "start" "-a" "02048539ac5ac73d809affdbf976501e725506b6f0410f45af111e025b3015cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking ght v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `config` and `cache` are never read
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct App<'a> {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 25 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub cache: Cache,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]   --> src/types/save.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Cache {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn save(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `cache` are never read
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct App<'a> {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 25 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub cache: Cache,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]   --> src/types/save.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Cache {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn save(&self) {
[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 14.11s
[INFO] running `Command { std: "docker" "inspect" "02048539ac5ac73d809affdbf976501e725506b6f0410f45af111e025b3015cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02048539ac5ac73d809affdbf976501e725506b6f0410f45af111e025b3015cd", kill_on_drop: false }`
[INFO] [stdout] 02048539ac5ac73d809affdbf976501e725506b6f0410f45af111e025b3015cd