[INFO] updating cached repository grenewode/lintool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grenewode/lintool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grenewode/lintool" "work/ex/beta-1.38-1/sources/1.37.0/gh/grenewode/lintool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/grenewode/lintool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grenewode/lintool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grenewode/lintool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grenewode/lintool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 691645b26daaeee3c9c579fec2964a6f566bcf92
[INFO] sha for GitHub repo grenewode/lintool: 691645b26daaeee3c9c579fec2964a6f566bcf92
[INFO] validating manifest of grenewode/lintool on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grenewode/lintool on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grenewode/lintool
[INFO] finished frobbing grenewode/lintool
[INFO] frobbed toml for grenewode/lintool written to work/ex/beta-1.38-1/sources/1.37.0/gh/grenewode/lintool/Cargo.toml
[INFO] started frobbing grenewode/lintool
[INFO] finished frobbing grenewode/lintool
[INFO] frobbed toml for grenewode/lintool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grenewode/lintool/Cargo.toml
[INFO] crate grenewode/lintool already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing grenewode/lintool against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grenewode/lintool:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ba87da077697a4b4d5eb115f33e1d68baf3a38156ce1f2bbc56a548d1e6f1dae
[INFO] running `"docker" "start" "-a" "ba87da077697a4b4d5eb115f33e1d68baf3a38156ce1f2bbc56a548d1e6f1dae"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling lintool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Error`, `Result`
[INFO] [stderr]  --> src/types.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use error::{Error, Result};
[INFO] [stderr]   |             ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sym`
[INFO] [stderr]  --> src/main.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lang::{Expr, Model, Seg, Sym};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::Typed`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use types::Typed;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EntityLit`
[INFO] [stderr]    --> src/lang.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     EntityLit(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `entity`
[INFO] [stderr]    --> src/lang.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn entity<S: Into<String>>(name: S) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `append_truth`
[INFO] [stderr]    --> src/lang.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn append_truth<T: Into<Seg<Self>>>(self, truth: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.88s
[INFO] running `"docker" "inspect" "ba87da077697a4b4d5eb115f33e1d68baf3a38156ce1f2bbc56a548d1e6f1dae"`
[INFO] running `"docker" "rm" "-f" "ba87da077697a4b4d5eb115f33e1d68baf3a38156ce1f2bbc56a548d1e6f1dae"`
[INFO] [stdout] ba87da077697a4b4d5eb115f33e1d68baf3a38156ce1f2bbc56a548d1e6f1dae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grenewode/lintool:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6710f40c8b12de961437f748a9b0b56bc74efd92920f117160a0072efe548a0
[INFO] running `"docker" "start" "-a" "a6710f40c8b12de961437f748a9b0b56bc74efd92920f117160a0072efe548a0"`
[INFO] [stderr]    Compiling lintool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Error`, `Result`
[INFO] [stderr]  --> src/types.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use error::{Error, Result};
[INFO] [stderr]   |             ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sym`
[INFO] [stderr]  --> src/main.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lang::{Expr, Model, Seg, Sym};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::Typed`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use types::Typed;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EntityLit`
[INFO] [stderr]    --> src/lang.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     EntityLit(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `entity`
[INFO] [stderr]    --> src/lang.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn entity<S: Into<String>>(name: S) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `append_truth`
[INFO] [stderr]    --> src/lang.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn append_truth<T: Into<Seg<Self>>>(self, truth: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "a6710f40c8b12de961437f748a9b0b56bc74efd92920f117160a0072efe548a0"`
[INFO] running `"docker" "rm" "-f" "a6710f40c8b12de961437f748a9b0b56bc74efd92920f117160a0072efe548a0"`
[INFO] [stdout] a6710f40c8b12de961437f748a9b0b56bc74efd92920f117160a0072efe548a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grenewode/lintool:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e714f454bad9fbbcb99c2dde63ba9ef00966febed89d6c05a55945652b7ae90c
[INFO] running `"docker" "start" "-a" "e714f454bad9fbbcb99c2dde63ba9ef00966febed89d6c05a55945652b7ae90c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lintool-a9c53fcaae0facec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e714f454bad9fbbcb99c2dde63ba9ef00966febed89d6c05a55945652b7ae90c"`
[INFO] running `"docker" "rm" "-f" "e714f454bad9fbbcb99c2dde63ba9ef00966febed89d6c05a55945652b7ae90c"`
[INFO] [stdout] e714f454bad9fbbcb99c2dde63ba9ef00966febed89d6c05a55945652b7ae90c