[INFO] fetching crate srash 0.0.0...
[INFO] building srash-0.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate srash 0.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate srash 0.0.0
[INFO] finished tweaking crates.io crate srash 0.0.0
[INFO] tweaked toml for crates.io crate srash 0.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate srash 0.0.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate srash 0.0.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c256dd56365d6fcc42c38bff43532c0d9ef24f5f02959a1ca1286e7c8fa67445
[INFO] running `Command { std: "docker" "start" "-a" "c256dd56365d6fcc42c38bff43532c0d9ef24f5f02959a1ca1286e7c8fa67445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c256dd56365d6fcc42c38bff43532c0d9ef24f5f02959a1ca1286e7c8fa67445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c256dd56365d6fcc42c38bff43532c0d9ef24f5f02959a1ca1286e7c8fa67445", kill_on_drop: false }`
[INFO] [stdout] c256dd56365d6fcc42c38bff43532c0d9ef24f5f02959a1ca1286e7c8fa67445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8527faaa94a3482f78ff292910146c56b9fb6fec49fba0e93e611bda2d5097b
[INFO] running `Command { std: "docker" "start" "-a" "f8527faaa94a3482f78ff292910146c56b9fb6fec49fba0e93e611bda2d5097b", kill_on_drop: false }`
[INFO] [stderr]    Compiling srash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ast::parser::ir::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ast::parser::ir::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_symbols` is never used
[INFO] [stdout]   --> src/ast/tokens.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn print_symbols(symbols: &Symbols) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbols_to_string` is never used
[INFO] [stdout]   --> src/ast/tokens.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn symbols_to_string(symbols: &Symbols) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]  --> src/ast/errors.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     UnclosedQuote { row: usize, col: usize },
[INFO] [stdout]   |     -------------   ^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]  --> src/ast/errors.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     UnclosedBlock { row: usize, col: usize },
[INFO] [stdout]   |     -------------   ^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidVar` is never constructed
[INFO] [stdout]  --> src/ast/errors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum LexingError {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 3 |     InvalidVar { row: usize, col: usize },
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f8527faaa94a3482f78ff292910146c56b9fb6fec49fba0e93e611bda2d5097b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8527faaa94a3482f78ff292910146c56b9fb6fec49fba0e93e611bda2d5097b", kill_on_drop: false }`
[INFO] [stdout] f8527faaa94a3482f78ff292910146c56b9fb6fec49fba0e93e611bda2d5097b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170087a826f88a99e1795daeddc78447cca3230b156c9c6ef37cd612b5ac897b
[INFO] running `Command { std: "docker" "start" "-a" "170087a826f88a99e1795daeddc78447cca3230b156c9c6ef37cd612b5ac897b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling similar v2.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling insta v1.28.0
[INFO] [stderr]    Compiling srash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ast::parser::ir::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ast::parser::ir::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]  --> src/ast/errors.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     UnclosedQuote { row: usize, col: usize },
[INFO] [stdout]   |     -------------   ^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexingError` has a derived impl for the trait `Debug`, but this is 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: fields `row` and `col` are never read
[INFO] [stdout]  --> src/ast/errors.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     UnclosedBlock { row: usize, col: usize },
[INFO] [stdout]   |     -------------   ^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidVar` is never constructed
[INFO] [stdout]  --> src/ast/errors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum LexingError {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 3 |     InvalidVar { row: usize, col: usize },
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_symbols` is never used
[INFO] [stdout]   --> src/ast/tokens.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn print_symbols(symbols: &Symbols) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "170087a826f88a99e1795daeddc78447cca3230b156c9c6ef37cd612b5ac897b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170087a826f88a99e1795daeddc78447cca3230b156c9c6ef37cd612b5ac897b", kill_on_drop: false }`
[INFO] [stdout] 170087a826f88a99e1795daeddc78447cca3230b156c9c6ef37cd612b5ac897b
