[INFO] fetching crate flycatcherc 0.1.1...
[INFO] checking flycatcherc-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate flycatcherc 0.1.1 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate flycatcherc 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flycatcherc 0.1.1
[INFO] finished tweaking crates.io crate flycatcherc 0.1.1
[INFO] tweaked toml for crates.io crate flycatcherc 0.1.1 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2cad9d570fd2305d6144420a3f31474ed016c66fdaa760d1a1993a50e5d88ac
[INFO] running `Command { std: "docker" "start" "-a" "b2cad9d570fd2305d6144420a3f31474ed016c66fdaa760d1a1993a50e5d88ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2cad9d570fd2305d6144420a3f31474ed016c66fdaa760d1a1993a50e5d88ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cad9d570fd2305d6144420a3f31474ed016c66fdaa760d1a1993a50e5d88ac", kill_on_drop: false }`
[INFO] [stdout] b2cad9d570fd2305d6144420a3f31474ed016c66fdaa760d1a1993a50e5d88ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d009c0a5314e202a4f1acd08a663139fcf3cb0c7de7be2e022c7c7f1ab7bc15
[INFO] running `Command { std: "docker" "start" "-a" "7d009c0a5314e202a4f1acd08a663139fcf3cb0c7de7be2e022c7c7f1ab7bc15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking flycatcher-diagnostic v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking flycatcher-lexer v0.1.1
[INFO] [stderr]     Checking flycatcher-parser v0.1.1
[INFO] [stderr]     Checking flycatcherc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DiagnosticEmitter`
[INFO] [stdout]   --> src/lib.rs:14:49
[INFO] [stdout]    |
[INFO] [stdout] 14 | use flycatcher_diagnostic::{codespan_reporting, DiagnosticEmitter};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DiagnosticEmitter`
[INFO] [stdout]   --> src/lib.rs:14:49
[INFO] [stdout]    |
[INFO] [stdout] 14 | use flycatcher_diagnostic::{codespan_reporting, DiagnosticEmitter};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |             Hir::Add(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Hir::Subtract(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Hir::Multiply(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Hir::Divide(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |             Hir::Add(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Hir::Subtract(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Hir::Multiply(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hir/mod.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Hir::Divide(l, r) => l.item.get_type(symbols),
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.76s
[INFO] running `Command { std: "docker" "inspect" "7d009c0a5314e202a4f1acd08a663139fcf3cb0c7de7be2e022c7c7f1ab7bc15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d009c0a5314e202a4f1acd08a663139fcf3cb0c7de7be2e022c7c7f1ab7bc15", kill_on_drop: false }`
[INFO] [stdout] 7d009c0a5314e202a4f1acd08a663139fcf3cb0c7de7be2e022c7c7f1ab7bc15