[INFO] cloning repository https://github.com/gfreezy/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca52b0b58d3b2d1d8bf36d5e6827d1578707c1a2
[INFO] checking gfreezy/rlox against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gfreezy/rlox
[INFO] finished tweaking git repo https://github.com/gfreezy/rlox
[INFO] tweaked toml for git repo https://github.com/gfreezy/rlox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gfreezy/rlox on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gfreezy/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18e5621cddb7843538022d47f1f11836b7cc6a739c98bbad6e7e00bc0a99403e
[INFO] running `Command { std: "docker" "start" "-a" "18e5621cddb7843538022d47f1f11836b7cc6a739c98bbad6e7e00bc0a99403e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18e5621cddb7843538022d47f1f11836b7cc6a739c98bbad6e7e00bc0a99403e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e5621cddb7843538022d47f1f11836b7cc6a739c98bbad6e7e00bc0a99403e", kill_on_drop: false }`
[INFO] [stdout] 18e5621cddb7843538022d47f1f11836b7cc6a739c98bbad6e7e00bc0a99403e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3951e0b947f0a03fed8bc9067e488f3aa85ba5b20bf27efedf6f9a25049ed341
[INFO] running `Command { std: "docker" "start" "-a" "3951e0b947f0a03fed8bc9067e488f3aa85ba5b20bf27efedf6f9a25049ed341", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling snafu-derive v0.4.1
[INFO] [stderr]    Compiling num_enum v0.2.0
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]     Checking snafu v0.4.1
[INFO] [stderr]     Checking paste v0.1.5
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 141 |                         binary_op!(|l, r| format!("{}{}", l, r), into_str, "not a str");
[INFO] [stdout]     |                         --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 143 |                         binary_op!(|l, r| l + r, into_number, "not a str");
[INFO] [stdout]     |                         -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 147 |                     binary_op!(|l, r| l - r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 150 |                     binary_op!(|l, r| l * r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 153 |                     binary_op!(|l, r| l / r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 170 |                     binary_op!(|l, r| l > r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 173 |                     binary_op!(|l, r| l < r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 141 |                         binary_op!(|l, r| format!("{}{}", l, r), into_str, "not a str");
[INFO] [stdout]     |                         --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 143 |                         binary_op!(|l, r| l + r, into_number, "not a str");
[INFO] [stdout]     |                         -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 147 |                     binary_op!(|l, r| l - r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 150 |                     binary_op!(|l, r| l * r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 153 |                     binary_op!(|l, r| l / r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 170 |                     binary_op!(|l, r| l > r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vm.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout]  92 |                 })?;;
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 173 |                     binary_op!(|l, r| l < r, into_number, "not a number");
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Previous` is never constructed
[INFO] [stdout]    --> src/compiler.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | enum TokenPosition {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 110 |     Current,
[INFO] [stdout] 111 |     Previous,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TokenPosition` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `error` is never used
[INFO] [stdout]    --> src/compiler.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn error(&mut self, msg: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CompileError` and `RuntimeError` are never constructed
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     CompileError {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     RuntimeError {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `write_opcode`, and `write_constant` are never used
[INFO] [stdout]   --> src/vm.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl VM {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn write(&mut self, byte: u8, line: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn write_opcode(&mut self, opcode: OpCode, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn write_constant(&mut self, value: Value, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Previous` is never constructed
[INFO] [stdout]    --> src/compiler.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | enum TokenPosition {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 110 |     Current,
[INFO] [stdout] 111 |     Previous,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TokenPosition` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `error` is never used
[INFO] [stdout]    --> src/compiler.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn error(&mut self, msg: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CompileError` and `RuntimeError` are never constructed
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     CompileError {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     RuntimeError {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `write_opcode`, and `write_constant` are never used
[INFO] [stdout]   --> src/vm.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl VM {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn write(&mut self, byte: u8, line: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn write_opcode(&mut self, opcode: OpCode, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn write_constant(&mut self, value: Value, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "3951e0b947f0a03fed8bc9067e488f3aa85ba5b20bf27efedf6f9a25049ed341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3951e0b947f0a03fed8bc9067e488f3aa85ba5b20bf27efedf6f9a25049ed341", kill_on_drop: false }`
[INFO] [stdout] 3951e0b947f0a03fed8bc9067e488f3aa85ba5b20bf27efedf6f9a25049ed341
