[INFO] cloning repository https://github.com/HoneyPony/jaylox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HoneyPony/jaylox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoneyPony%2Fjaylox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoneyPony%2Fjaylox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fbae40b4cd93546e1cd7813d898cffd3a6f0459
[INFO] building HoneyPony/jaylox against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoneyPony%2Fjaylox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HoneyPony/jaylox on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HoneyPony/jaylox
[INFO] finished tweaking git repo https://github.com/HoneyPony/jaylox
[INFO] tweaked toml for git repo https://github.com/HoneyPony/jaylox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HoneyPony/jaylox 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5978bc4bd69f80955824e49b0466be7cbd7414da3cb299dd6b104a227982e5b3
[INFO] running `Command { std: "docker" "start" "-a" "5978bc4bd69f80955824e49b0466be7cbd7414da3cb299dd6b104a227982e5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5978bc4bd69f80955824e49b0466be7cbd7414da3cb299dd6b104a227982e5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5978bc4bd69f80955824e49b0466be7cbd7414da3cb299dd6b104a227982e5b3", kill_on_drop: false }`
[INFO] [stdout] 5978bc4bd69f80955824e49b0466be7cbd7414da3cb299dd6b104a227982e5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c91e46b53ff538fde46cc56a6c3cebb49d3037e410efc64e0198ef61c7b45c
[INFO] running `Command { std: "docker" "start" "-a" "13c91e46b53ff538fde46cc56a6c3cebb49d3037e410efc64e0198ef61c7b45c", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/scanner.rs:89:50
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl<'a> Scanner<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 89 |     pub fn new(source: String, lox: &'a mut Lox) -> Scanner {
[INFO] [stdout]    |                                                     ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Call {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 11 |         callee: Box<Expr>,
[INFO] [stdout] 12 |         paren: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keyword` and `this_identity` are never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Super {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 32 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |         this_identity: VarRef,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |     This {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 38 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Assign {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 50 |         name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `var_name` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/stmt.gen.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  |     ExternFunction {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 10 |         var_name: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/stmt.gen.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 23 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/stmt.gen.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Var {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 27 |         name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vars` is never read
[INFO] [stdout]   --> src/stmt.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub vars: HashSet<VarRef>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "13c91e46b53ff538fde46cc56a6c3cebb49d3037e410efc64e0198ef61c7b45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c91e46b53ff538fde46cc56a6c3cebb49d3037e410efc64e0198ef61c7b45c", kill_on_drop: false }`
[INFO] [stdout] 13c91e46b53ff538fde46cc56a6c3cebb49d3037e410efc64e0198ef61c7b45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2818a7cb2fd7bfca1a4a97f0eddf3bca751357aaa8e0ff085ae3aede8ea7f254
[INFO] running `Command { std: "docker" "start" "-a" "2818a7cb2fd7bfca1a4a97f0eddf3bca751357aaa8e0ff085ae3aede8ea7f254", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/scanner.rs:89:50
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl<'a> Scanner<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 89 |     pub fn new(source: String, lox: &'a mut Lox) -> Scanner {
[INFO] [stdout]    |                                                     ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Call {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 11 |         callee: Box<Expr>,
[INFO] [stdout] 12 |         paren: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keyword` and `this_identity` are never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Super {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 32 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |         this_identity: VarRef,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |     This {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 38 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/expr.gen.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Assign {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 50 |         name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `var_name` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/stmt.gen.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  |     ExternFunction {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 10 |         var_name: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/stmt.gen.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 23 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/jlox-6a016de08b7df22d/out/stmt.gen.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Var {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 27 |         name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vars` is never read
[INFO] [stdout]   --> src/stmt.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub vars: HashSet<VarRef>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "2818a7cb2fd7bfca1a4a97f0eddf3bca751357aaa8e0ff085ae3aede8ea7f254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2818a7cb2fd7bfca1a4a97f0eddf3bca751357aaa8e0ff085ae3aede8ea7f254", kill_on_drop: false }`
[INFO] [stdout] 2818a7cb2fd7bfca1a4a97f0eddf3bca751357aaa8e0ff085ae3aede8ea7f254