[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] testing gfreezy/rlox against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gfreezy/rlox on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-87/source/Cargo.toml
[INFO] crate git repo https://github.com/gfreezy/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 819ad1abafe0dba12e3ef45020d9fbba6714d5f6dead3399b29a8bb86460ced2
[INFO] running `Command { std: "docker" "start" "-a" "819ad1abafe0dba12e3ef45020d9fbba6714d5f6dead3399b29a8bb86460ced2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "819ad1abafe0dba12e3ef45020d9fbba6714d5f6dead3399b29a8bb86460ced2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819ad1abafe0dba12e3ef45020d9fbba6714d5f6dead3399b29a8bb86460ced2", kill_on_drop: false }`
[INFO] [stdout] 819ad1abafe0dba12e3ef45020d9fbba6714d5f6dead3399b29a8bb86460ced2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac07ffa2a50187dbf8e28471203a44cf2229c51ee04d6b8c97d07777f0057e9
[INFO] running `Command { std: "docker" "start" "-a" "2ac07ffa2a50187dbf8e28471203a44cf2229c51ee04d6b8c97d07777f0057e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.12
[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]    Compiling snafu v0.4.1
[INFO] [stderr]    Compiling paste v0.1.5
[INFO] [stderr]    Compiling 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]     |                     ^ help: remove this semicolon
[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)]` 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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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 is never constructed: `Previous`
[INFO] [stdout]    --> src/compiler.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Previous,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]    --> src/compiler.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn error(&mut self, msg: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/vm.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&mut self, byte: u8, line: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_opcode`
[INFO] [stdout]   --> src/vm.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn write_opcode(&mut self, opcode: OpCode, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_constant`
[INFO] [stdout]   --> src/vm.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn write_constant(&mut self, value: Value, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.57s
[INFO] running `Command { std: "docker" "inspect" "2ac07ffa2a50187dbf8e28471203a44cf2229c51ee04d6b8c97d07777f0057e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac07ffa2a50187dbf8e28471203a44cf2229c51ee04d6b8c97d07777f0057e9", kill_on_drop: false }`
[INFO] [stdout] 2ac07ffa2a50187dbf8e28471203a44cf2229c51ee04d6b8c97d07777f0057e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae6498c76652f1bd886ba5d117edb5ae62fb6fa747fdf4ad6dea2017bd1d1c0
[INFO] running `Command { std: "docker" "start" "-a" "0ae6498c76652f1bd886ba5d117edb5ae62fb6fa747fdf4ad6dea2017bd1d1c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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]     |                     ^ help: remove this semicolon
[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)]` 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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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]     |                     ^ help: remove this semicolon
[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 is never constructed: `Previous`
[INFO] [stdout]    --> src/compiler.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Previous,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]    --> src/compiler.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn error(&mut self, msg: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/vm.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&mut self, byte: u8, line: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_opcode`
[INFO] [stdout]   --> src/vm.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn write_opcode(&mut self, opcode: OpCode, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_constant`
[INFO] [stdout]   --> src/vm.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn write_constant(&mut self, value: Value, line: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "0ae6498c76652f1bd886ba5d117edb5ae62fb6fa747fdf4ad6dea2017bd1d1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae6498c76652f1bd886ba5d117edb5ae62fb6fa747fdf4ad6dea2017bd1d1c0", kill_on_drop: false }`
[INFO] [stdout] 0ae6498c76652f1bd886ba5d117edb5ae62fb6fa747fdf4ad6dea2017bd1d1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b4405a73f6fe56865184225d85ce376cab65357a2f4d70c6bca8deb41a64073
[INFO] running `Command { std: "docker" "start" "-a" "7b4405a73f6fe56865184225d85ce376cab65357a2f4d70c6bca8deb41a64073", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 141 |                         binary_op!(|l, r| format!("{}{}", l, r), into_str, "not a str");
[INFO] [stderr]     |                         ---------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 143 |                         binary_op!(|l, r| l + r, into_number, "not a str");
[INFO] [stderr]     |                         --------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 147 |                     binary_op!(|l, r| l - r, into_number, "not a number");
[INFO] [stderr]     |                     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 150 |                     binary_op!(|l, r| l * r, into_number, "not a number");
[INFO] [stderr]     |                     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 153 |                     binary_op!(|l, r| l / r, into_number, "not a number");
[INFO] [stderr]     |                     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 170 |                     binary_op!(|l, r| l > r, into_number, "not a number");
[INFO] [stderr]     |                     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/vm.rs:92:21
[INFO] [stderr]     |
[INFO] [stderr] 92  |                 })?;;
[INFO] [stderr]     |                     ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 173 |                     binary_op!(|l, r| l < r, into_number, "not a number");
[INFO] [stderr]     |                     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Previous`
[INFO] [stderr]    --> src/compiler.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     Previous,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `error`
[INFO] [stderr]    --> src/compiler.rs:154:8
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn error(&mut self, msg: &str) -> Result<()> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/vm.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn write(&mut self, byte: u8, line: u32) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_opcode`
[INFO] [stderr]   --> src/vm.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn write_opcode(&mut self, opcode: OpCode, line: u32) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_constant`
[INFO] [stderr]   --> src/vm.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn write_constant(&mut self, value: Value, line: u32) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-5ccb24023caaf92a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chunk::line_encoding::tests::test_add ... ok
[INFO] [stdout] test chunk::line_encoding::tests::test_get ... ok
[INFO] [stdout] test chunk::tests::test_write_u24 ... ok
[INFO] [stdout] test chunk::tests::test_read_u24_should_panic - should panic ... ok
[INFO] [stdout] test chunk::tests::test_write_u24_shoudl_panic - should panic ... ok
[INFO] [stdout] test chunk::tests::test_read_u24 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- chunk::tests::test_read_u24 stdout ----
[INFO] [stdout] thread 'chunk::tests::test_read_u24' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `4368`,
[INFO] [stdout]  right: `1118212`', src/chunk.rs:109:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5608c3e8c520 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5608c3e8c520 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5608c3e8c520 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5608c3e8c520 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5608c3eaed1c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x5608c3e89445 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x5608c3e8e68b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5608c3e8e68b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5608c3e8e68b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5608c3e8e19c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5608c3e8ed54 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5608c3e8e837 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5608c3e8ca1c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5608c3e8e799 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5608c3e32651 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5608c3ead638 - core::panicking::assert_failed_inner::h33b45280069a80ed
[INFO] [stdout]   16:     0x5608c3e3387a - core::panicking::assert_failed::hbb5d5b3723a5e8ce
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x5608c3e342eb - rlox::chunk::tests::test_read_u24::hced59bc97b496b89
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:109:9
[INFO] [stdout]   18:     0x5608c3e341ba - rlox::chunk::tests::test_read_u24::{{closure}}::h58f48f3cb7e05cfd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:107:5
[INFO] [stdout]   19:     0x5608c3e33cbe - core::ops::function::FnOnce::call_once::h7de47ea1551880c5
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5608c3e5f6a3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5608c3e5f6a3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x5608c3e5e160 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x5608c3e5e160 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x5608c3e5e160 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x5608c3e5e160 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x5608c3e5e160 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x5608c3e5e160 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x5608c3e5e160 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x5608c3e37812 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x5608c3e37812 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x5608c3e3b3c8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x5608c3e3b3c8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x5608c3e3b3c8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x5608c3e3b3c8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x5608c3e3b3c8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x5608c3e3b3c8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x5608c3e3b3c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5608c3e93817 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x5608c3e93817 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x5608c3e93817 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7fdf13a34609 - start_thread
[INFO] [stdout]   42:     0x7fdf13cbf293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     chunk::tests::test_read_u24
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin rlox'
[INFO] running `Command { std: "docker" "inspect" "7b4405a73f6fe56865184225d85ce376cab65357a2f4d70c6bca8deb41a64073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4405a73f6fe56865184225d85ce376cab65357a2f4d70c6bca8deb41a64073", kill_on_drop: false }`
[INFO] [stdout] 7b4405a73f6fe56865184225d85ce376cab65357a2f4d70c6bca8deb41a64073
