[INFO] crate shm 0.1.0 is already in cache
[INFO] extracting crate shm 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/shm/0.1.0
[INFO] extracting crate shm 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/shm/0.1.0
[INFO] validating manifest of shm-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 shm-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 shm-0.1.0
[INFO] finished frobbing shm-0.1.0
[INFO] frobbed toml for shm-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/shm/0.1.0/Cargo.toml
[INFO] started frobbing shm-0.1.0
[INFO] finished frobbing shm-0.1.0
[INFO] frobbed toml for shm-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/shm/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 shm-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-6/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/shm/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] 746d789203201c955a21300a42d56ef078b95c9ae7f86a1d50b3bc2fb6866220
[INFO] running `"docker" "start" "-a" "746d789203201c955a21300a42d56ef078b95c9ae7f86a1d50b3bc2fb6866220"`
[INFO] [stderr]    Compiling shm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "746d789203201c955a21300a42d56ef078b95c9ae7f86a1d50b3bc2fb6866220"`
[INFO] running `"docker" "rm" "-f" "746d789203201c955a21300a42d56ef078b95c9ae7f86a1d50b3bc2fb6866220"`
[INFO] [stdout] 746d789203201c955a21300a42d56ef078b95c9ae7f86a1d50b3bc2fb6866220
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/shm/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] 9000e3c6caf043bb802915b0dd6a46cbba0400ad5d6191abf847ad3ce7cf44ac
[INFO] running `"docker" "start" "-a" "9000e3c6caf043bb802915b0dd6a46cbba0400ad5d6191abf847ad3ce7cf44ac"`
[INFO] [stderr]    Compiling shm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/box.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 let mut data: &mut Box = unsafe {
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "9000e3c6caf043bb802915b0dd6a46cbba0400ad5d6191abf847ad3ce7cf44ac"`
[INFO] running `"docker" "rm" "-f" "9000e3c6caf043bb802915b0dd6a46cbba0400ad5d6191abf847ad3ce7cf44ac"`
[INFO] [stdout] 9000e3c6caf043bb802915b0dd6a46cbba0400ad5d6191abf847ad3ce7cf44ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/shm/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] 96eb232f32c40c781c687a5cf78f721e2cf66b94e0f8abac44eb37d4a2171d7a
[INFO] running `"docker" "start" "-a" "96eb232f32c40c781c687a5cf78f721e2cf66b94e0f8abac44eb37d4a2171d7a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shm-76fec26d27fc4793
[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]      Running /opt/crater/target/debug/deps/lib-d7c63e988a6898ae
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test the_box ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shm
[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" "96eb232f32c40c781c687a5cf78f721e2cf66b94e0f8abac44eb37d4a2171d7a"`
[INFO] running `"docker" "rm" "-f" "96eb232f32c40c781c687a5cf78f721e2cf66b94e0f8abac44eb37d4a2171d7a"`
[INFO] [stdout] 96eb232f32c40c781c687a5cf78f721e2cf66b94e0f8abac44eb37d4a2171d7a