[INFO] updating cached repository https://github.com/sepiropht/rust-jlox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4859fe23cf2fdefc95745623a9f970d04d1df406
[INFO] checking sepiropht/rust-jlox against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Frust-jlox" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sepiropht/rust-jlox on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sepiropht/rust-jlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdccfe289469f26056c5deae4142a988d473bfa4fbd6dcce60827f2416e8d996
[INFO] running `"docker" "start" "-a" "fdccfe289469f26056c5deae4142a988d473bfa4fbd6dcce60827f2416e8d996"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking jlox v0.1.0 (/opt/rustwide/workdir)
[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] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[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: `#[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 item '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 `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] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[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: `#[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: 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] warning: use of deprecated item '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 dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `"docker" "inspect" "fdccfe289469f26056c5deae4142a988d473bfa4fbd6dcce60827f2416e8d996"`
[INFO] running `"docker" "rm" "-f" "fdccfe289469f26056c5deae4142a988d473bfa4fbd6dcce60827f2416e8d996"`
[INFO] [stdout] fdccfe289469f26056c5deae4142a988d473bfa4fbd6dcce60827f2416e8d996