[INFO] crate never-type 0.1.0 is already in cache
[INFO] extracting crate never-type 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/never-type/0.1.0
[INFO] extracting crate never-type 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/never-type/0.1.0
[INFO] validating manifest of never-type-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 never-type-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 never-type-0.1.0
[INFO] finished frobbing never-type-0.1.0
[INFO] frobbed toml for never-type-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/never-type/0.1.0/Cargo.toml
[INFO] started frobbing never-type-0.1.0
[INFO] finished frobbing never-type-0.1.0
[INFO] frobbed toml for never-type-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/never-type/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] 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 never-type-0.1.0 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/reg/never-type/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d3483a307c8fa251e0033092d30a74b162abb7932256ff38b47c9e4a277b2c03
[INFO] running `"docker" "start" "-a" "d3483a307c8fa251e0033092d30a74b162abb7932256ff38b47c9e4a277b2c03"`
[INFO] [stderr]    Compiling never-type v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "d3483a307c8fa251e0033092d30a74b162abb7932256ff38b47c9e4a277b2c03"`
[INFO] running `"docker" "rm" "-f" "d3483a307c8fa251e0033092d30a74b162abb7932256ff38b47c9e4a277b2c03"`
[INFO] [stdout] d3483a307c8fa251e0033092d30a74b162abb7932256ff38b47c9e4a277b2c03
[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/reg/never-type/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b67c6ccd26c55dd60b820a1c7e6602668c41572698368042cd9f276e49db53e
[INFO] running `"docker" "start" "-a" "4b67c6ccd26c55dd60b820a1c7e6602668c41572698368042cd9f276e49db53e"`
[INFO] [stderr]    Compiling never-type v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "4b67c6ccd26c55dd60b820a1c7e6602668c41572698368042cd9f276e49db53e"`
[INFO] running `"docker" "rm" "-f" "4b67c6ccd26c55dd60b820a1c7e6602668c41572698368042cd9f276e49db53e"`
[INFO] [stdout] 4b67c6ccd26c55dd60b820a1c7e6602668c41572698368042cd9f276e49db53e
[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/reg/never-type/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e12ab2579534bec3f0f14018c647ce26bdb29223814d9959c12562abf63f442c
[INFO] running `"docker" "start" "-a" "e12ab2579534bec3f0f14018c647ce26bdb29223814d9959c12562abf63f442c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/never_type-bb123af45c926645
[INFO] [stderr]    Doc-tests never-type
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::size_of_never_is_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e12ab2579534bec3f0f14018c647ce26bdb29223814d9959c12562abf63f442c"`
[INFO] running `"docker" "rm" "-f" "e12ab2579534bec3f0f14018c647ce26bdb29223814d9959c12562abf63f442c"`
[INFO] [stdout] e12ab2579534bec3f0f14018c647ce26bdb29223814d9959c12562abf63f442c