[INFO] cloning repository https://github.com/n4to4/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4to4/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43d2731f4c6b6821e39891b0be9c9a91dc961be4
[INFO] testing n4to4/rlox against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%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/n4to4/rlox on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n4to4/rlox
[INFO] finished tweaking git repo https://github.com/n4to4/rlox
[INFO] tweaked toml for git repo https://github.com/n4to4/rlox written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/n4to4/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9547914b9f28ec2bfacc22d9e88a7c469b90276bccafd2ea59a635033c1cbabf
[INFO] running `Command { std: "docker" "start" "-a" "9547914b9f28ec2bfacc22d9e88a7c469b90276bccafd2ea59a635033c1cbabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9547914b9f28ec2bfacc22d9e88a7c469b90276bccafd2ea59a635033c1cbabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9547914b9f28ec2bfacc22d9e88a7c469b90276bccafd2ea59a635033c1cbabf", kill_on_drop: false }`
[INFO] [stdout] 9547914b9f28ec2bfacc22d9e88a7c469b90276bccafd2ea59a635033c1cbabf
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5a308e5db964657ccceab83d46aa01f6abef94a3b40ae8c449ab29e0b3ee94
[INFO] running `Command { std: "docker" "start" "-a" "ea5a308e5db964657ccceab83d46aa01f6abef94a3b40ae8c449ab29e0b3ee94", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:549:24
[INFO] [stdout]     |
[INFO] [stdout] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.04s
[INFO] running `Command { std: "docker" "inspect" "ea5a308e5db964657ccceab83d46aa01f6abef94a3b40ae8c449ab29e0b3ee94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5a308e5db964657ccceab83d46aa01f6abef94a3b40ae8c449ab29e0b3ee94", kill_on_drop: false }`
[INFO] [stdout] ea5a308e5db964657ccceab83d46aa01f6abef94a3b40ae8c449ab29e0b3ee94
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862893fc741e563d6ca3cb339321f34deae2075903acb31503299a91731cff7c
[INFO] running `Command { std: "docker" "start" "-a" "862893fc741e563d6ca3cb339321f34deae2075903acb31503299a91731cff7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:549:24
[INFO] [stdout]     |
[INFO] [stdout] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:549:24
[INFO] [stdout]     |
[INFO] [stdout] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "862893fc741e563d6ca3cb339321f34deae2075903acb31503299a91731cff7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862893fc741e563d6ca3cb339321f34deae2075903acb31503299a91731cff7c", kill_on_drop: false }`
[INFO] [stdout] 862893fc741e563d6ca3cb339321f34deae2075903acb31503299a91731cff7c
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdc2f44cc7c180ab721264e1dbce221bd6ef30b41c6337c74b8e99fe54a09236
[INFO] running `Command { std: "docker" "start" "-a" "cdc2f44cc7c180ab721264e1dbce221bd6ef30b41c6337c74b8e99fe54a09236", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:549:24
[INFO] [stderr]     |
[INFO] [stderr] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:558:23
[INFO] [stderr]     |
[INFO] [stderr] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (lib) generated 2 warnings
[INFO] [stderr] warning: `rlox` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-aa1a33cd57692bc9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test scanner::tests::scan_empty_source ... ok
[INFO] [stdout] test scanner::tests::scan_random_identifier ... ok
[INFO] [stdout] test scanner::tests::scan_keywords ... ok
[INFO] [stdout] test scanner::tests::scan_token_bug_regression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-d4c5c06fc0a1d9f2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlox
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdc2f44cc7c180ab721264e1dbce221bd6ef30b41c6337c74b8e99fe54a09236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc2f44cc7c180ab721264e1dbce221bd6ef30b41c6337c74b8e99fe54a09236", kill_on_drop: false }`
[INFO] [stdout] cdc2f44cc7c180ab721264e1dbce221bd6ef30b41c6337c74b8e99fe54a09236