[INFO] cloning repository https://github.com/grenewode/lintool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grenewode/lintool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenewode%2Flintool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenewode%2Flintool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 691645b26daaeee3c9c579fec2964a6f566bcf92
[INFO] checking grenewode/lintool against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenewode%2Flintool" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grenewode/lintool on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grenewode/lintool
[INFO] finished tweaking git repo https://github.com/grenewode/lintool
[INFO] tweaked toml for git repo https://github.com/grenewode/lintool written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/grenewode/lintool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57e7f32c691870ad2b15c98d9aa6ce556e1112f7b05efdffaeaaf58c64d0adf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d57e7f32c691870ad2b15c98d9aa6ce556e1112f7b05efdffaeaaf58c64d0adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57e7f32c691870ad2b15c98d9aa6ce556e1112f7b05efdffaeaaf58c64d0adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57e7f32c691870ad2b15c98d9aa6ce556e1112f7b05efdffaeaaf58c64d0adf", kill_on_drop: false }`
[INFO] [stdout] d57e7f32c691870ad2b15c98d9aa6ce556e1112f7b05efdffaeaaf58c64d0adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c1019a6a3162bf81931d2444c1110b6cb1e945bd5a0dfe45c660e280c60da2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c1019a6a3162bf81931d2444c1110b6cb1e945bd5a0dfe45c660e280c60da2a", kill_on_drop: false }`
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking lintool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/types.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use error::{Error, Result};
[INFO] [stdout]   |             ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sym`
[INFO] [stdout]  --> src/main.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lang::{Expr, Model, Seg, Sym};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::Typed`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use types::Typed;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/types.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use error::{Error, Result};
[INFO] [stdout]   |             ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sym`
[INFO] [stdout]  --> src/main.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lang::{Expr, Model, Seg, Sym};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::Typed`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use types::Typed;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EntityLit`
[INFO] [stdout]    --> src/lang.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     EntityLit(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `entity`
[INFO] [stdout]    --> src/lang.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn entity<S: Into<String>>(name: S) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_truth`
[INFO] [stdout]    --> src/lang.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn append_truth<T: Into<Seg<Self>>>(self, truth: T) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EntityLit`
[INFO] [stdout]    --> src/lang.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     EntityLit(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `entity`
[INFO] [stdout]    --> src/lang.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn entity<S: Into<String>>(name: S) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_truth`
[INFO] [stdout]    --> src/lang.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn append_truth<T: Into<Seg<Self>>>(self, truth: T) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "9c1019a6a3162bf81931d2444c1110b6cb1e945bd5a0dfe45c660e280c60da2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1019a6a3162bf81931d2444c1110b6cb1e945bd5a0dfe45c660e280c60da2a", kill_on_drop: false }`
[INFO] [stdout] 9c1019a6a3162bf81931d2444c1110b6cb1e945bd5a0dfe45c660e280c60da2a