[INFO] crate proquint 0.1.0 is already in cache
[INFO] extracting crate proquint 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/proquint/0.1.0
[INFO] extracting crate proquint 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/proquint/0.1.0
[INFO] validating manifest of proquint-0.1.0 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 proquint-0.1.0 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 proquint-0.1.0
[INFO] finished frobbing proquint-0.1.0
[INFO] frobbed toml for proquint-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/proquint/0.1.0/Cargo.toml
[INFO] started frobbing proquint-0.1.0
[INFO] finished frobbing proquint-0.1.0
[INFO] frobbed toml for proquint-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/proquint/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[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 proquint-0.1.0 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-0/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/proquint/0.1.0:/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] 4811e99d3e46d1f34b7d3899ab60db111b8ce2c39f224b6babf1b8e3dfa09f55
[INFO] running `"docker" "start" "-a" "4811e99d3e46d1f34b7d3899ab60db111b8ce2c39f224b6babf1b8e3dfa09f55"`
[INFO] [stderr]    Compiling proquint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "4811e99d3e46d1f34b7d3899ab60db111b8ce2c39f224b6babf1b8e3dfa09f55"`
[INFO] running `"docker" "rm" "-f" "4811e99d3e46d1f34b7d3899ab60db111b8ce2c39f224b6babf1b8e3dfa09f55"`
[INFO] [stdout] 4811e99d3e46d1f34b7d3899ab60db111b8ce2c39f224b6babf1b8e3dfa09f55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/proquint/0.1.0:/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] 07320f1c740f366c4bc0e92fef642e8255ce45ad84e3992f946d1deb37ac135d
[INFO] running `"docker" "start" "-a" "07320f1c740f366c4bc0e92fef642e8255ce45ad84e3992f946d1deb37ac135d"`
[INFO] [stderr]    Compiling proquint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "07320f1c740f366c4bc0e92fef642e8255ce45ad84e3992f946d1deb37ac135d"`
[INFO] running `"docker" "rm" "-f" "07320f1c740f366c4bc0e92fef642e8255ce45ad84e3992f946d1deb37ac135d"`
[INFO] [stdout] 07320f1c740f366c4bc0e92fef642e8255ce45ad84e3992f946d1deb37ac135d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/proquint/0.1.0:/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] 1b261e261b2e891323924da914098f2b70000dc92558b391ff3a1c131cd2d95d
[INFO] running `"docker" "start" "-a" "1b261e261b2e891323924da914098f2b70000dc92558b391ff3a1c131cd2d95d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/proquint-3e9aedf0fb9abadb
[INFO] [stderr]    Doc-tests proquint
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::ipv4_quints ... ok
[INFO] [stdout] test tests::quint_too_large ... ok
[INFO] [stdout] test tests::quint_too_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Quintable::to_quint (line 64) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Quintable::from_quint (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1b261e261b2e891323924da914098f2b70000dc92558b391ff3a1c131cd2d95d"`
[INFO] running `"docker" "rm" "-f" "1b261e261b2e891323924da914098f2b70000dc92558b391ff3a1c131cd2d95d"`
[INFO] [stdout] 1b261e261b2e891323924da914098f2b70000dc92558b391ff3a1c131cd2d95d