[INFO] cloning repository https://github.com/aacunningham/rust-password-cracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aacunningham/rust-password-cracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faacunningham%2Frust-password-cracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faacunningham%2Frust-password-cracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cf98f7db25bbe34dc51285205bd7e31d048c4f3
[INFO] checking aacunningham/rust-password-cracker against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faacunningham%2Frust-password-cracker" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aacunningham/rust-password-cracker on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aacunningham/rust-password-cracker
[INFO] finished tweaking git repo https://github.com/aacunningham/rust-password-cracker
[INFO] tweaked toml for git repo https://github.com/aacunningham/rust-password-cracker written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aacunningham/rust-password-cracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 7e7c83123f5904e5843c5099204e0b74a8e2bb1f3fc2f16f4e8fb2dd4cf19a98
[INFO] running `Command { std: "docker" "start" "-a" "7e7c83123f5904e5843c5099204e0b74a8e2bb1f3fc2f16f4e8fb2dd4cf19a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7c83123f5904e5843c5099204e0b74a8e2bb1f3fc2f16f4e8fb2dd4cf19a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7c83123f5904e5843c5099204e0b74a8e2bb1f3fc2f16f4e8fb2dd4cf19a98", kill_on_drop: false }`
[INFO] [stdout] 7e7c83123f5904e5843c5099204e0b74a8e2bb1f3fc2f16f4e8fb2dd4cf19a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] bcbd1c7c122bae024d0bd9e846d31a6a60358acc705073a3c6e85932d1d7cdff
[INFO] running `Command { std: "docker" "start" "-a" "bcbd1c7c122bae024d0bd9e846d31a6a60358acc705073a3c6e85932d1d7cdff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking passcode_cracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/variable.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |             c @ 'a'...'z' => Ok(Value::Numerical(arr[(c as usize) - 97])),
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |             v @ 'a'...'z' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |             v @ '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |             o @ '*'...'>' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/variable.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |             c @ 'a'...'z' => Ok(Value::Numerical(arr[(c as usize) - 97])),
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |             v @ 'a'...'z' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |             v @ '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |             o @ '*'...'>' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `passcode_cracker`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bcbd1c7c122bae024d0bd9e846d31a6a60358acc705073a3c6e85932d1d7cdff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbd1c7c122bae024d0bd9e846d31a6a60358acc705073a3c6e85932d1d7cdff", kill_on_drop: false }`
[INFO] [stdout] bcbd1c7c122bae024d0bd9e846d31a6a60358acc705073a3c6e85932d1d7cdff