[INFO] cloning repository https://github.com/npetrenko/rust_experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/npetrenko/rust_experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpetrenko%2Frust_experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpetrenko%2Frust_experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e897742e8d7afa17572d1e0904a6acd877048dae
[INFO] testing npetrenko/rust_experiments against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpetrenko%2Frust_experiments" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npetrenko/rust_experiments on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/npetrenko/rust_experiments
[INFO] finished tweaking git repo https://github.com/npetrenko/rust_experiments
[INFO] tweaked toml for git repo https://github.com/npetrenko/rust_experiments written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/npetrenko/rust_experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c103d938396b28d2ccd44358d14d6a21ff3afc03d5b3f316576aeb07975b968e
[INFO] running `Command { std: "docker" "start" "-a" "c103d938396b28d2ccd44358d14d6a21ff3afc03d5b3f316576aeb07975b968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c103d938396b28d2ccd44358d14d6a21ff3afc03d5b3f316576aeb07975b968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c103d938396b28d2ccd44358d14d6a21ff3afc03d5b3f316576aeb07975b968e", kill_on_drop: false }`
[INFO] [stdout] c103d938396b28d2ccd44358d14d6a21ff3afc03d5b3f316576aeb07975b968e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d859e3cddf51609db28cdfbce288ec0bf9235c17d6599d9642f8492705d24170
[INFO] running `Command { std: "docker" "start" "-a" "d859e3cddf51609db28cdfbce288ec0bf9235c17d6599d9642f8492705d24170", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `dynamic_explicit` in this scope
[INFO] [stdout]   --> src/traits.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     dynamic_explicit.foo();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `dynamic_explicitw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `dynamic_explicit` in this scope
[INFO] [stdout]   --> src/traits.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     dynamic_explicit.bar();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `dynamic_explicitw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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_experiments` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d859e3cddf51609db28cdfbce288ec0bf9235c17d6599d9642f8492705d24170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d859e3cddf51609db28cdfbce288ec0bf9235c17d6599d9642f8492705d24170", kill_on_drop: false }`
[INFO] [stdout] d859e3cddf51609db28cdfbce288ec0bf9235c17d6599d9642f8492705d24170