[INFO] updating cached repository juggernaut0/snek [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/juggernaut0/snek [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/juggernaut0/snek" "work/ex/beta-1.38-1/sources/1.37.0/gh/juggernaut0/snek"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/juggernaut0/snek'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/juggernaut0/snek" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/juggernaut0/snek"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/juggernaut0/snek'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 49c64b3de6c848a7253d4c04dc9a5d46b5280139 [INFO] sha for GitHub repo juggernaut0/snek: 49c64b3de6c848a7253d4c04dc9a5d46b5280139 [INFO] validating manifest of juggernaut0/snek 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 juggernaut0/snek 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 juggernaut0/snek [INFO] finished frobbing juggernaut0/snek [INFO] frobbed toml for juggernaut0/snek written to work/ex/beta-1.38-1/sources/1.37.0/gh/juggernaut0/snek/Cargo.toml [INFO] started frobbing juggernaut0/snek [INFO] finished frobbing juggernaut0/snek [INFO] frobbed toml for juggernaut0/snek written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/juggernaut0/snek/Cargo.toml [INFO] crate juggernaut0/snek 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] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] testing juggernaut0/snek 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/gh/juggernaut0/snek:/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] a8637789d0e361d094196280314ae0208d6b8d4b0b94bc4c1ccd1f6a48c40770 [INFO] running `"docker" "start" "-a" "a8637789d0e361d094196280314ae0208d6b8d4b0b94bc4c1ccd1f6a48c40770"` [INFO] [stderr] Compiling snek v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variant is never constructed: `IDENT` [INFO] [stderr] --> src/scanner.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | IDENT, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `STRING` [INFO] [stderr] --> src/scanner.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | STRING, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KEYWORD` [INFO] [stderr] --> src/scanner.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | KEYWORD, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SYMBOL` [INFO] [stderr] --> src/scanner.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | SYMBOL, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `"docker" "inspect" "a8637789d0e361d094196280314ae0208d6b8d4b0b94bc4c1ccd1f6a48c40770"` [INFO] running `"docker" "rm" "-f" "a8637789d0e361d094196280314ae0208d6b8d4b0b94bc4c1ccd1f6a48c40770"` [INFO] [stdout] a8637789d0e361d094196280314ae0208d6b8d4b0b94bc4c1ccd1f6a48c40770 [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/gh/juggernaut0/snek:/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] 29b3d70b6df2eed296b416a4c0115be7e3d2e8f701f72fe2317f66c884e10904 [INFO] running `"docker" "start" "-a" "29b3d70b6df2eed296b416a4c0115be7e3d2e8f701f72fe2317f66c884e10904"` [INFO] [stderr] Compiling snek v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variant is never constructed: `IDENT` [INFO] [stderr] --> src/scanner.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | IDENT, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `STRING` [INFO] [stderr] --> src/scanner.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | STRING, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KEYWORD` [INFO] [stderr] --> src/scanner.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | KEYWORD, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SYMBOL` [INFO] [stderr] --> src/scanner.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | SYMBOL, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "29b3d70b6df2eed296b416a4c0115be7e3d2e8f701f72fe2317f66c884e10904"` [INFO] running `"docker" "rm" "-f" "29b3d70b6df2eed296b416a4c0115be7e3d2e8f701f72fe2317f66c884e10904"` [INFO] [stdout] 29b3d70b6df2eed296b416a4c0115be7e3d2e8f701f72fe2317f66c884e10904 [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/gh/juggernaut0/snek:/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] 4c49ef9de84094cbd25bf42cfb0f2ceb3b6fbfd21920176e374a58ce80ea1665 [INFO] running `"docker" "start" "-a" "4c49ef9de84094cbd25bf42cfb0f2ceb3b6fbfd21920176e374a58ce80ea1665"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/snek-2a3a18889044abad [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" "4c49ef9de84094cbd25bf42cfb0f2ceb3b6fbfd21920176e374a58ce80ea1665"` [INFO] running `"docker" "rm" "-f" "4c49ef9de84094cbd25bf42cfb0f2ceb3b6fbfd21920176e374a58ce80ea1665"` [INFO] [stdout] 4c49ef9de84094cbd25bf42cfb0f2ceb3b6fbfd21920176e374a58ce80ea1665