[INFO] cloning repository https://github.com/pseudobabble/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pseudobabble/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpseudobabble%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpseudobabble%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dc85a99eea7b594e57711b41add41aa243ae797
[INFO] checking pseudobabble/rust_practice against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpseudobabble%2Frust_practice" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pseudobabble/rust_practice on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pseudobabble/rust_practice
[INFO] finished tweaking git repo https://github.com/pseudobabble/rust_practice
[INFO] tweaked toml for git repo https://github.com/pseudobabble/rust_practice written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/pseudobabble/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04051041dbc53c8de2541e315d5836b67d4136909095305395d619365f9d7ef6
[INFO] running `Command { std: "docker" "start" "-a" "04051041dbc53c8de2541e315d5836b67d4136909095305395d619365f9d7ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04051041dbc53c8de2541e315d5836b67d4136909095305395d619365f9d7ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04051041dbc53c8de2541e315d5836b67d4136909095305395d619365f9d7ef6", kill_on_drop: false }`
[INFO] [stdout] 04051041dbc53c8de2541e315d5836b67d4136909095305395d619365f9d7ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21136c6ee653f11079a3df930a947676c959814ab14fe10dd1f9848788ae4022
[INFO] running `Command { std: "docker" "start" "-a" "21136c6ee653f11079a3df930a947676c959814ab14fe10dd1f9848788ae4022", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `reverse_string` in this scope
[INFO] [stdout]   --> src/main.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         assert_eq!(reverse_string("world"), "dlrow");
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use crate::reverse_string;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `bool_to_word` in this scope
[INFO] [stdout]   --> src/main.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         assert_eq!(bool_to_word(true), "Yes");
[INFO] [stdout]    |                    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use crate::bool_to_word;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `bool_to_word` in this scope
[INFO] [stdout]   --> src/main.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         assert_eq!(bool_to_word(false), "No");
[INFO] [stdout]    |                    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use crate::bool_to_word;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_practice` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "21136c6ee653f11079a3df930a947676c959814ab14fe10dd1f9848788ae4022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21136c6ee653f11079a3df930a947676c959814ab14fe10dd1f9848788ae4022", kill_on_drop: false }`
[INFO] [stdout] 21136c6ee653f11079a3df930a947676c959814ab14fe10dd1f9848788ae4022