[INFO] updating cached repository tomc1998/rust-lmc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomc1998/rust-lmc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomc1998/rust-lmc" "work/ex/beta-1.38-1/sources/1.37.0/gh/tomc1998/rust-lmc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tomc1998/rust-lmc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomc1998/rust-lmc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomc1998/rust-lmc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomc1998/rust-lmc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1827800f48ac1edaac36c7b39df35029b129508a
[INFO] sha for GitHub repo tomc1998/rust-lmc: 1827800f48ac1edaac36c7b39df35029b129508a
[INFO] validating manifest of tomc1998/rust-lmc 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 tomc1998/rust-lmc 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 tomc1998/rust-lmc
[INFO] finished frobbing tomc1998/rust-lmc
[INFO] frobbed toml for tomc1998/rust-lmc written to work/ex/beta-1.38-1/sources/1.37.0/gh/tomc1998/rust-lmc/Cargo.toml
[INFO] started frobbing tomc1998/rust-lmc
[INFO] finished frobbing tomc1998/rust-lmc
[INFO] frobbed toml for tomc1998/rust-lmc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomc1998/rust-lmc/Cargo.toml
[INFO] crate tomc1998/rust-lmc 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] testing tomc1998/rust-lmc 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomc1998/rust-lmc:/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] 97db16610bfb6e800084c7471eb8e6890ca5ab55fa4b9c6c294ca70c51ac3dc4
[INFO] running `"docker" "start" "-a" "97db16610bfb6e800084c7471eb8e6890ca5ab55fa4b9c6c294ca70c51ac3dc4"`
[INFO] [stderr]    Compiling lmc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]   --> src/io.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::{self, Read};
[INFO] [stderr]    |               ---- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 14 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "97db16610bfb6e800084c7471eb8e6890ca5ab55fa4b9c6c294ca70c51ac3dc4"`
[INFO] running `"docker" "rm" "-f" "97db16610bfb6e800084c7471eb8e6890ca5ab55fa4b9c6c294ca70c51ac3dc4"`
[INFO] [stdout] 97db16610bfb6e800084c7471eb8e6890ca5ab55fa4b9c6c294ca70c51ac3dc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomc1998/rust-lmc:/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] bcda2aa98d41c15c783dfecf331fd7dca2fdf1acd1cdc1d04b4740996a8c1a7b
[INFO] running `"docker" "start" "-a" "bcda2aa98d41c15c783dfecf331fd7dca2fdf1acd1cdc1d04b4740996a8c1a7b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lmc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]   --> src/io.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::{self, Read};
[INFO] [stderr]    |               ---- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 14 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "bcda2aa98d41c15c783dfecf331fd7dca2fdf1acd1cdc1d04b4740996a8c1a7b"`
[INFO] running `"docker" "rm" "-f" "bcda2aa98d41c15c783dfecf331fd7dca2fdf1acd1cdc1d04b4740996a8c1a7b"`
[INFO] [stdout] bcda2aa98d41c15c783dfecf331fd7dca2fdf1acd1cdc1d04b4740996a8c1a7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomc1998/rust-lmc:/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] 182943fb11e126752b2dab9e36b15f58e71615b42ede4df1ac28d501aa79bbd0
[INFO] running `"docker" "start" "-a" "182943fb11e126752b2dab9e36b15f58e71615b42ede4df1ac28d501aa79bbd0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lmc-446d5e6863fe4f91
[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" "182943fb11e126752b2dab9e36b15f58e71615b42ede4df1ac28d501aa79bbd0"`
[INFO] running `"docker" "rm" "-f" "182943fb11e126752b2dab9e36b15f58e71615b42ede4df1ac28d501aa79bbd0"`
[INFO] [stdout] 182943fb11e126752b2dab9e36b15f58e71615b42ede4df1ac28d501aa79bbd0