[INFO] crate purescript_waterslide 0.3.1 is already in cache
[INFO] extracting crate purescript_waterslide 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/purescript_waterslide/0.3.1
[INFO] extracting crate purescript_waterslide 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/purescript_waterslide/0.3.1
[INFO] validating manifest of purescript_waterslide-0.3.1 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 purescript_waterslide-0.3.1 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 purescript_waterslide-0.3.1
[INFO] finished frobbing purescript_waterslide-0.3.1
[INFO] frobbed toml for purescript_waterslide-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/purescript_waterslide/0.3.1/Cargo.toml
[INFO] started frobbing purescript_waterslide-0.3.1
[INFO] finished frobbing purescript_waterslide-0.3.1
[INFO] frobbed toml for purescript_waterslide-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/purescript_waterslide/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 purescript_waterslide-0.3.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/purescript_waterslide/0.3.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2f1509257c3dcd09d8e54cec72af79353a41515f51b4dfc38a46440b5574ca5c
[INFO] running `"docker" "start" "-a" "2f1509257c3dcd09d8e54cec72af79353a41515f51b4dfc38a46440b5574ca5c"`
[INFO] [stderr]    Compiling purescript_waterslide v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/purs_module.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let mut value = imports.entry(import.clone()).or_insert_with(Vec::new);
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "2f1509257c3dcd09d8e54cec72af79353a41515f51b4dfc38a46440b5574ca5c"`
[INFO] running `"docker" "rm" "-f" "2f1509257c3dcd09d8e54cec72af79353a41515f51b4dfc38a46440b5574ca5c"`
[INFO] [stdout] 2f1509257c3dcd09d8e54cec72af79353a41515f51b4dfc38a46440b5574ca5c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/purescript_waterslide/0.3.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2f3587ffb6bc5a4023e85b384b139716dd3466d713d7af64317393d27fa4f9f
[INFO] running `"docker" "start" "-a" "d2f3587ffb6bc5a4023e85b384b139716dd3466d713d7af64317393d27fa4f9f"`
[INFO] [stderr]    Compiling purescript_waterslide v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/purs_module.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let mut value = imports.entry(import.clone()).or_insert_with(Vec::new);
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "d2f3587ffb6bc5a4023e85b384b139716dd3466d713d7af64317393d27fa4f9f"`
[INFO] running `"docker" "rm" "-f" "d2f3587ffb6bc5a4023e85b384b139716dd3466d713d7af64317393d27fa4f9f"`
[INFO] [stdout] d2f3587ffb6bc5a4023e85b384b139716dd3466d713d7af64317393d27fa4f9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/purescript_waterslide/0.3.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ef4d73bacc270c70152b3c7fac73b1d4f59532b76e0200317cb53403743db61f
[INFO] running `"docker" "start" "-a" "ef4d73bacc270c70152b3c7fac73b1d4f59532b76e0200317cb53403743db61f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/purescript_waterslide-c293c313803871be
[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] [stderr]    Doc-tests purescript_waterslide
[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" "ef4d73bacc270c70152b3c7fac73b1d4f59532b76e0200317cb53403743db61f"`
[INFO] running `"docker" "rm" "-f" "ef4d73bacc270c70152b3c7fac73b1d4f59532b76e0200317cb53403743db61f"`
[INFO] [stdout] ef4d73bacc270c70152b3c7fac73b1d4f59532b76e0200317cb53403743db61f