[INFO] cloning repository https://github.com/sassman/edu-tdd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sassman/edu-tdd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsassman%2Fedu-tdd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsassman%2Fedu-tdd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9bb52521fd80bbc1da33faa43282b2ef1b08f98
[INFO] testing sassman/edu-tdd-rust against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsassman%2Fedu-tdd-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sassman/edu-tdd-rust on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sassman/edu-tdd-rust
[INFO] finished tweaking git repo https://github.com/sassman/edu-tdd-rust
[INFO] tweaked toml for git repo https://github.com/sassman/edu-tdd-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sassman/edu-tdd-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632b13bdd159762e4f8fddb6cb7addf1f2fc6ea6d8685ebf2b116fdc22769f4e
[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" "632b13bdd159762e4f8fddb6cb7addf1f2fc6ea6d8685ebf2b116fdc22769f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632b13bdd159762e4f8fddb6cb7addf1f2fc6ea6d8685ebf2b116fdc22769f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632b13bdd159762e4f8fddb6cb7addf1f2fc6ea6d8685ebf2b116fdc22769f4e", kill_on_drop: false }`
[INFO] [stdout] 632b13bdd159762e4f8fddb6cb7addf1f2fc6ea6d8685ebf2b116fdc22769f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93a8b9a9587647ef36a8665d0d500c03e5fbaa274df8f1ef4368c5474707dd5c
[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" "93a8b9a9587647ef36a8665d0d500c03e5fbaa274df8f1ef4368c5474707dd5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dev_challenge_47 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "93a8b9a9587647ef36a8665d0d500c03e5fbaa274df8f1ef4368c5474707dd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a8b9a9587647ef36a8665d0d500c03e5fbaa274df8f1ef4368c5474707dd5c", kill_on_drop: false }`
[INFO] [stdout] 93a8b9a9587647ef36a8665d0d500c03e5fbaa274df8f1ef4368c5474707dd5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ffaeeff881a7f306fc86ed56768b0d712d612805fdd020fc4e3ae5f3b28e937
[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" "3ffaeeff881a7f306fc86ed56768b0d712d612805fdd020fc4e3ae5f3b28e937", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling dev_challenge_47 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.59s
[INFO] running `Command { std: "docker" "inspect" "3ffaeeff881a7f306fc86ed56768b0d712d612805fdd020fc4e3ae5f3b28e937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffaeeff881a7f306fc86ed56768b0d712d612805fdd020fc4e3ae5f3b28e937", kill_on_drop: false }`
[INFO] [stdout] 3ffaeeff881a7f306fc86ed56768b0d712d612805fdd020fc4e3ae5f3b28e937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b13480bc07432a6c444336942ad70f881d41c5c29e2b15d83c44b2886150e95
[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" "2b13480bc07432a6c444336942ad70f881d41c5c29e2b15d83c44b2886150e95", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dev_challenge_47-d8117dc1980f8b44
[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/rustwide/target/debug/deps/alphabet_position_spec-d786d97ea5f071c5
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test speculate_0::alphabet_position::test_should_replace_a_with_1 ... ok
[INFO] [stdout] test speculate_0::alphabet_position::test_should_replace_the_full_test_sentence ... ok
[INFO] [stdout] test speculate_0::alphabet_position::test_should_replace_A_with_1 ... ok
[INFO] [stdout] test speculate_0::alphabet_position::test_should_ignore_non_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alphabet_position_test-98a652b6c790e611
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_should_replace_the_sentence ... ok
[INFO] [stdout] test it_should_replace_the_capital_a_with_1 ... ok
[INFO] [stdout] test it_should_replace_the_a_with_1 ... ok
[INFO] [stdout] test it_should_ignore_non_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dev_challenge_47
[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 `Command { std: "docker" "inspect" "2b13480bc07432a6c444336942ad70f881d41c5c29e2b15d83c44b2886150e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b13480bc07432a6c444336942ad70f881d41c5c29e2b15d83c44b2886150e95", kill_on_drop: false }`
[INFO] [stdout] 2b13480bc07432a6c444336942ad70f881d41c5c29e2b15d83c44b2886150e95