[INFO] cloning repository https://github.com/hautbois1011/lang100
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hautbois1011/lang100" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhautbois1011%2Flang100", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhautbois1011%2Flang100'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33ab89fd2654e1600c4a468f4ddc6626f04d8705
[INFO] testing hautbois1011/lang100 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhautbois1011%2Flang100" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hautbois1011/lang100 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hautbois1011/lang100
[INFO] finished tweaking git repo https://github.com/hautbois1011/lang100
[INFO] tweaked toml for git repo https://github.com/hautbois1011/lang100 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hautbois1011/lang100 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bb3d24d34979dafd18bd1cd44937c39a4749e257d1bd249e21f42673eb240f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3bb3d24d34979dafd18bd1cd44937c39a4749e257d1bd249e21f42673eb240f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bb3d24d34979dafd18bd1cd44937c39a4749e257d1bd249e21f42673eb240f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb3d24d34979dafd18bd1cd44937c39a4749e257d1bd249e21f42673eb240f2", kill_on_drop: false }`
[INFO] [stdout] 3bb3d24d34979dafd18bd1cd44937c39a4749e257d1bd249e21f42673eb240f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d4d2bd57e0f4b99df06e5b4fc33571814dbc3942e925334a1ada370a04b2990
[INFO] running `Command { std: "docker" "start" "-a" "8d4d2bd57e0f4b99df06e5b4fc33571814dbc3942e925334a1ada370a04b2990", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lang100 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "8d4d2bd57e0f4b99df06e5b4fc33571814dbc3942e925334a1ada370a04b2990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4d2bd57e0f4b99df06e5b4fc33571814dbc3942e925334a1ada370a04b2990", kill_on_drop: false }`
[INFO] [stdout] 8d4d2bd57e0f4b99df06e5b4fc33571814dbc3942e925334a1ada370a04b2990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a905378a0ac06046694de19e91aafea7140f5ba273b42ed0dfcf079c4f56185
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a905378a0ac06046694de19e91aafea7140f5ba273b42ed0dfcf079c4f56185", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang100 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "1a905378a0ac06046694de19e91aafea7140f5ba273b42ed0dfcf079c4f56185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a905378a0ac06046694de19e91aafea7140f5ba273b42ed0dfcf079c4f56185", kill_on_drop: false }`
[INFO] [stdout] 1a905378a0ac06046694de19e91aafea7140f5ba273b42ed0dfcf079c4f56185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f690c5e2b186de0603a71301897d76fbe587f921daa9cb608511d9370465d002
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f690c5e2b186de0603a71301897d76fbe587f921daa9cb608511d9370465d002", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang100-5005277abefd44a3)
[INFO] [stdout] test chap1_tests::alternate_str_test ... ignored
[INFO] [stdout] test chap1_tests::encryption_test ... ignored
[INFO] [stdout] test chap1_tests::hash_of_elements_test ... ignored
[INFO] [stdout] test chap1_tests::list_of_len_of_words_test ... ignored
[INFO] [stdout] test chap1_tests::n_gram_test ... ignored
[INFO] [stdout] test chap1_tests::reverse_str_test ... ignored
[INFO] [stdout] test chap1_tests::set_test ... ignored
[INFO] [stdout] test chap1_tests::step_str_test ... ignored
[INFO] [stdout] test chap1_tests::template_test ... ignored
[INFO] [stdout] test chap1_tests::typologycemia_test ... ignored
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang100-34dd0cc51d07d20e)
[INFO] [stdout] test chap2_tests::count_lines_test ... ok
[INFO] [stdout] test chap2_tests::tab_to_space ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 10 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lang100
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f690c5e2b186de0603a71301897d76fbe587f921daa9cb608511d9370465d002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f690c5e2b186de0603a71301897d76fbe587f921daa9cb608511d9370465d002", kill_on_drop: false }`
[INFO] [stdout] f690c5e2b186de0603a71301897d76fbe587f921daa9cb608511d9370465d002