[INFO] cloning repository https://github.com/sepiropht/rust-jlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sepiropht/rust-jlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Frust-jlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Frust-jlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4859fe23cf2fdefc95745623a9f970d04d1df406
[INFO] testing sepiropht/rust-jlox against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Frust-jlox" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sepiropht/rust-jlox on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sepiropht/rust-jlox
[INFO] finished tweaking git repo https://github.com/sepiropht/rust-jlox
[INFO] tweaked toml for git repo https://github.com/sepiropht/rust-jlox written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sepiropht/rust-jlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9667e2f3bc72e036f4312f4daf8466b98ba58cb20a0d410f32f4dc43b72ad631
[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" "9667e2f3bc72e036f4312f4daf8466b98ba58cb20a0d410f32f4dc43b72ad631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9667e2f3bc72e036f4312f4daf8466b98ba58cb20a0d410f32f4dc43b72ad631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9667e2f3bc72e036f4312f4daf8466b98ba58cb20a0d410f32f4dc43b72ad631", kill_on_drop: false }`
[INFO] [stdout] 9667e2f3bc72e036f4312f4daf8466b98ba58cb20a0d410f32f4dc43b72ad631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984993f4b2898b5ae9552cf7864537ba9ce3d90b393f683ae640898d7ecf01b7
[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" "984993f4b2898b5ae9552cf7864537ba9ce3d90b393f683ae640898d7ecf01b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |             i @ 'a'...'z' | i @ 'A'...'Z' => {
[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/scanner.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |             i @ 'a'...'z' | i @ 'A'...'Z' => {
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         Some('a'...'z') | Some('A'...'Z') | Some('_') => {
[INFO] [stdout]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:86:51
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         Some('a'...'z') | Some('A'...'Z') | Some('_') => {
[INFO] [stdout]    |                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |             n @ '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:117:33
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         Some('0'...'9') => {
[INFO] [stdout]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     foreign_links {
[INFO] [stdout] 12 | |         Io(std::io::Error);
[INFO] [stdout] 13 | |     }
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     foreign_links {
[INFO] [stdout] 12 | |         Io(std::io::Error);
[INFO] [stdout] 13 | |     }
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BANG`
[INFO] [stdout]   --> src/scanner.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EQUAL`
[INFO] [stdout]   --> src/scanner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     EQUAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/scanner.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.63s
[INFO] running `Command { std: "docker" "inspect" "984993f4b2898b5ae9552cf7864537ba9ce3d90b393f683ae640898d7ecf01b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984993f4b2898b5ae9552cf7864537ba9ce3d90b393f683ae640898d7ecf01b7", kill_on_drop: false }`
[INFO] [stdout] 984993f4b2898b5ae9552cf7864537ba9ce3d90b393f683ae640898d7ecf01b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 096fbc2d928edcca7a2b4b4fdfe14bc9bae3a59ff595bbd6a4f4cb43685590c8
[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" "096fbc2d928edcca7a2b4b4fdfe14bc9bae3a59ff595bbd6a4f4cb43685590c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/scanner.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |             i @ 'a'...'z' | i @ 'A'...'Z' => {
[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/scanner.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |             i @ 'a'...'z' | i @ 'A'...'Z' => {
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         Some('a'...'z') | Some('A'...'Z') | Some('_') => {
[INFO] [stdout]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:86:51
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         Some('a'...'z') | Some('A'...'Z') | Some('_') => {
[INFO] [stdout]    |                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |             n @ '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:117:33
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         Some('0'...'9') => {
[INFO] [stdout]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     foreign_links {
[INFO] [stdout] 12 | |         Io(std::io::Error);
[INFO] [stdout] 13 | |     }
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     foreign_links {
[INFO] [stdout] 12 | |         Io(std::io::Error);
[INFO] [stdout] 13 | |     }
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BANG`
[INFO] [stdout]   --> src/scanner.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EQUAL`
[INFO] [stdout]   --> src/scanner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     EQUAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/scanner.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "096fbc2d928edcca7a2b4b4fdfe14bc9bae3a59ff595bbd6a4f4cb43685590c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096fbc2d928edcca7a2b4b4fdfe14bc9bae3a59ff595bbd6a4f4cb43685590c8", kill_on_drop: false }`
[INFO] [stdout] 096fbc2d928edcca7a2b4b4fdfe14bc9bae3a59ff595bbd6a4f4cb43685590c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 636cc408cef29008aebec90e3036b14cef1493deadbd5cff6d4cdd936e1ea4c2
[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" "636cc408cef29008aebec90e3036b14cef1493deadbd5cff6d4cdd936e1ea4c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/scanner.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     LEFT_PAREN,
[INFO] [stderr]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/scanner.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     RIGHT_PAREN,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/scanner.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LEFT_BRACE,
[INFO] [stderr]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/scanner.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     RIGHT_BRACE,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/scanner.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     BANG_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/scanner.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     EQUAL_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/scanner.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     GREATER_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/scanner.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     LESS_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:81:20
[INFO] [stderr]    |
[INFO] [stderr] 81 |             i @ 'a'...'z' | i @ 'A'...'Z' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:81:36
[INFO] [stderr]    |
[INFO] [stderr] 81 |             i @ 'a'...'z' | i @ 'A'...'Z' => {
[INFO] [stderr]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         Some('a'...'z') | Some('A'...'Z') | Some('_') => {
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:86:51
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         Some('a'...'z') | Some('A'...'Z') | Some('_') => {
[INFO] [stderr]    |                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |             n @ '0'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:117:33
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         Some('0'...'9') => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 | / error_chain! {
[INFO] [stdout] 
[INFO] [stderr] 11 | |     foreign_links {
[INFO] [stderr] 12 | |         Io(std::io::Error);
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / error_chain! {
[INFO] [stderr] 11 | |     foreign_links {
[INFO] [stderr] 12 | |         Io(std::io::Error);
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BANG`
[INFO] [stderr]   --> src/scanner.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     BANG,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EQUAL`
[INFO] [stderr]   --> src/scanner.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     EQUAL,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOF`
[INFO] [stderr]   --> src/scanner.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     EOF,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jlox-b2be860f8ba7b32e
[INFO] running `Command { std: "docker" "inspect" "636cc408cef29008aebec90e3036b14cef1493deadbd5cff6d4cdd936e1ea4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636cc408cef29008aebec90e3036b14cef1493deadbd5cff6d4cdd936e1ea4c2", kill_on_drop: false }`
[INFO] [stdout] 636cc408cef29008aebec90e3036b14cef1493deadbd5cff6d4cdd936e1ea4c2