[INFO] updating cached repository skade/rust-three-days-course
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/skade/rust-three-days-course
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/rust-three-days-course" "work/ex/beta-1.38-1/sources/1.37.0/gh/skade/rust-three-days-course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/skade/rust-three-days-course'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/rust-three-days-course" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/skade/rust-three-days-course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/skade/rust-three-days-course'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95e1516ecaff38e90d1613917a3e25415e7726fd
[INFO] sha for GitHub repo skade/rust-three-days-course: 95e1516ecaff38e90d1613917a3e25415e7726fd
[INFO] validating manifest of skade/rust-three-days-course 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 skade/rust-three-days-course 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 skade/rust-three-days-course
[INFO] finished frobbing skade/rust-three-days-course
[INFO] frobbed toml for skade/rust-three-days-course written to work/ex/beta-1.38-1/sources/1.37.0/gh/skade/rust-three-days-course/Cargo.toml
[INFO] started frobbing skade/rust-three-days-course
[INFO] finished frobbing skade/rust-three-days-course
[INFO] frobbed toml for skade/rust-three-days-course written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/skade/rust-three-days-course/Cargo.toml
[INFO] crate skade/rust-three-days-course 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing skade/rust-three-days-course 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-2/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/skade/rust-three-days-course:/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] d23484b7fd7d4133ee26262ce2c22b7f161ec9812397a5a72e8eaf86a2a7b54b
[INFO] running `"docker" "start" "-a" "d23484b7fd7d4133ee26262ce2c22b7f161ec9812397a5a72e8eaf86a2a7b54b"`
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling shells v0.2.0
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling pandoc_types v0.1.0
[INFO] [stderr]    Compiling tasks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.19s
[INFO] running `"docker" "inspect" "d23484b7fd7d4133ee26262ce2c22b7f161ec9812397a5a72e8eaf86a2a7b54b"`
[INFO] running `"docker" "rm" "-f" "d23484b7fd7d4133ee26262ce2c22b7f161ec9812397a5a72e8eaf86a2a7b54b"`
[INFO] [stdout] d23484b7fd7d4133ee26262ce2c22b7f161ec9812397a5a72e8eaf86a2a7b54b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/skade/rust-three-days-course:/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] 5bd4d268289d795c5c271677f8ec3e62568adc17d8d73bf633668b854405d4f8
[INFO] running `"docker" "start" "-a" "5bd4d268289d795c5c271677f8ec3e62568adc17d8d73bf633668b854405d4f8"`
[INFO] [stderr]    Compiling tasks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `"docker" "inspect" "5bd4d268289d795c5c271677f8ec3e62568adc17d8d73bf633668b854405d4f8"`
[INFO] running `"docker" "rm" "-f" "5bd4d268289d795c5c271677f8ec3e62568adc17d8d73bf633668b854405d4f8"`
[INFO] [stdout] 5bd4d268289d795c5c271677f8ec3e62568adc17d8d73bf633668b854405d4f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/skade/rust-three-days-course:/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] 3739a571d5c49d8420f64446bb57cc06fb11bdf1fc250df5b15899f3c2a70114
[INFO] running `"docker" "start" "-a" "3739a571d5c49d8420f64446bb57cc06fb11bdf1fc250df5b15899f3c2a70114"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tasks-31a6d9ee826903f4
[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/add_chapter-4bb95238f4a5d9fb
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/add_code_example-36667d6c411696da
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/build_indices-767541ef0e454974
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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] [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/extract_code-0f7577347db1bf28
[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/rename_chapter-6d50d9640daedfc9
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rename_chapters-4e2d665ec3a28291
[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] [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 tasks
[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" "3739a571d5c49d8420f64446bb57cc06fb11bdf1fc250df5b15899f3c2a70114"`
[INFO] running `"docker" "rm" "-f" "3739a571d5c49d8420f64446bb57cc06fb11bdf1fc250df5b15899f3c2a70114"`
[INFO] [stdout] 3739a571d5c49d8420f64446bb57cc06fb11bdf1fc250df5b15899f3c2a70114