[INFO] crate alga_derive 0.9.1 is already in cache
[INFO] extracting crate alga_derive 0.9.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/alga_derive/0.9.1
[INFO] extracting crate alga_derive 0.9.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/alga_derive/0.9.1
[INFO] validating manifest of alga_derive-0.9.1 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 alga_derive-0.9.1 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 alga_derive-0.9.1
[INFO] finished frobbing alga_derive-0.9.1
[INFO] frobbed toml for alga_derive-0.9.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/alga_derive/0.9.1/Cargo.toml
[INFO] started frobbing alga_derive-0.9.1
[INFO] finished frobbing alga_derive-0.9.1
[INFO] frobbed toml for alga_derive-0.9.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/alga_derive/0.9.1/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 alga_derive-0.9.1 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/alga_derive/0.9.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7d1ae7db2f341ef33877dbd5f999755f5148d2500388a30af1eddaab94b92519
[INFO] running `"docker" "start" "-a" "7d1ae7db2f341ef33877dbd5f999755f5148d2500388a30af1eddaab94b92519"`
[INFO] [stderr]    Compiling alga_derive v0.9.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TokenTree`
[INFO] [stderr]   --> src/lib.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 | use proc_macro2::{Span, TokenTree};
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::TokenStreamExt`
[INFO] [stderr]   --> src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | use quote::TokenStreamExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "7d1ae7db2f341ef33877dbd5f999755f5148d2500388a30af1eddaab94b92519"`
[INFO] running `"docker" "rm" "-f" "7d1ae7db2f341ef33877dbd5f999755f5148d2500388a30af1eddaab94b92519"`
[INFO] [stdout] 7d1ae7db2f341ef33877dbd5f999755f5148d2500388a30af1eddaab94b92519
[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/alga_derive/0.9.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6aad0c92244c6368a6c985b4d81f5339fb4c670810f7796250bf4899d1377e4b
[INFO] running `"docker" "start" "-a" "6aad0c92244c6368a6c985b4d81f5339fb4c670810f7796250bf4899d1377e4b"`
[INFO] [stderr]    Compiling alga_derive v0.9.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TokenTree`
[INFO] [stderr]   --> src/lib.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 | use proc_macro2::{Span, TokenTree};
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::TokenStreamExt`
[INFO] [stderr]   --> src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | use quote::TokenStreamExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "6aad0c92244c6368a6c985b4d81f5339fb4c670810f7796250bf4899d1377e4b"`
[INFO] running `"docker" "rm" "-f" "6aad0c92244c6368a6c985b4d81f5339fb4c670810f7796250bf4899d1377e4b"`
[INFO] [stdout] 6aad0c92244c6368a6c985b4d81f5339fb4c670810f7796250bf4899d1377e4b
[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/alga_derive/0.9.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fd174370fd4b313b4cbc5c66edc8ec248a8cb2d7ca8aa42de4573cdabfe6a43a
[INFO] running `"docker" "start" "-a" "fd174370fd4b313b4cbc5c66edc8ec248a8cb2d7ca8aa42de4573cdabfe6a43a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/alga_derive-755323738793998d
[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 alga_derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 18) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 40) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fd174370fd4b313b4cbc5c66edc8ec248a8cb2d7ca8aa42de4573cdabfe6a43a"`
[INFO] running `"docker" "rm" "-f" "fd174370fd4b313b4cbc5c66edc8ec248a8cb2d7ca8aa42de4573cdabfe6a43a"`
[INFO] [stdout] fd174370fd4b313b4cbc5c66edc8ec248a8cb2d7ca8aa42de4573cdabfe6a43a