[INFO] cloning repository https://github.com/IceSentry/lox_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IceSentry/lox_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceSentry%2Flox_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceSentry%2Flox_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 946075b26f763c7925d299da7e8381c09c6338b7
[INFO] checking IceSentry/lox_rs against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceSentry%2Flox_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IceSentry/lox_rs
[INFO] finished tweaking git repo https://github.com/IceSentry/lox_rs
[INFO] tweaked toml for git repo https://github.com/IceSentry/lox_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IceSentry/lox_rs on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IceSentry/lox_rs 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded derive-new v0.5.8
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded enum_dispatch v0.2.3
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6022c3bda2f53a50636c7c539aabeea70e8f2a69175f2ca0b2ddee8b24a702f
[INFO] running `Command { std: "docker" "start" "-a" "b6022c3bda2f53a50636c7c539aabeea70e8f2a69175f2ca0b2ddee8b24a702f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6022c3bda2f53a50636c7c539aabeea70e8f2a69175f2ca0b2ddee8b24a702f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6022c3bda2f53a50636c7c539aabeea70e8f2a69175f2ca0b2ddee8b24a702f", kill_on_drop: false }`
[INFO] [stdout] b6022c3bda2f53a50636c7c539aabeea70e8f2a69175f2ca0b2ddee8b24a702f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666670f066a31fae5f2edeea0dde0d41c04fba46c618e7b00e93577150d80282
[INFO] running `Command { std: "docker" "start" "-a" "666670f066a31fae5f2edeea0dde0d41c04fba46c618e7b00e93577150d80282", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling enum_dispatch v0.2.3
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking lox_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:143:11
[INFO] [stdout]     |
[INFO] [stdout] 143 |     Value(LoxValue),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 143 -     Value(LoxValue),
[INFO] [stdout] 143 +     Value(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `println_debug` is never used
[INFO] [stdout]   --> src/logger.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Logger {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 18 |     fn println(&mut self, message: String);
[INFO] [stdout] 19 |     fn println_debug(&mut self, message: String);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/logger.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct DefaultLogger {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 57 |     pub debug: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Undefined` is never constructed
[INFO] [stdout]   --> src/lox.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum LoxValue {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 62 |     Nil,       // TODO implement Option<T> and remove nil
[INFO] [stdout] 63 |     Undefined, // This is used as a flag, there are no corresponding literal
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lox.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     Parser(ErrorData),
[INFO] [stdout]     |     ------ ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 155 -     Parser(ErrorData),
[INFO] [stdout] 155 +     Parser(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:143:11
[INFO] [stdout]     |
[INFO] [stdout] 143 |     Value(LoxValue),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 143 -     Value(LoxValue),
[INFO] [stdout] 143 +     Value(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `println_debug` is never used
[INFO] [stdout]   --> src/logger.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Logger {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 18 |     fn println(&mut self, message: String);
[INFO] [stdout] 19 |     fn println_debug(&mut self, message: String);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/logger.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct DefaultLogger {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 57 |     pub debug: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Undefined` is never constructed
[INFO] [stdout]   --> src/lox.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum LoxValue {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 62 |     Nil,       // TODO implement Option<T> and remove nil
[INFO] [stdout] 63 |     Undefined, // This is used as a flag, there are no corresponding literal
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lox.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     Parser(ErrorData),
[INFO] [stdout]     |     ------ ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 155 -     Parser(ErrorData),
[INFO] [stdout] 155 +     Parser(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "666670f066a31fae5f2edeea0dde0d41c04fba46c618e7b00e93577150d80282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666670f066a31fae5f2edeea0dde0d41c04fba46c618e7b00e93577150d80282", kill_on_drop: false }`
[INFO] [stdout] 666670f066a31fae5f2edeea0dde0d41c04fba46c618e7b00e93577150d80282
