[INFO] fetching crate xassembler 0.5.1...
[INFO] checking xassembler-0.5.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate xassembler 0.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate xassembler 0.5.1 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 xassembler 0.5.1
[INFO] finished tweaking crates.io crate xassembler 0.5.1
[INFO] tweaked toml for crates.io crate xassembler 0.5.1 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 94a7180165c5d07ca8f81d13fefba27c4adb4e408393ccacb591cfdd91dcc05a
[INFO] running `Command { std: "docker" "start" "-a" "94a7180165c5d07ca8f81d13fefba27c4adb4e408393ccacb591cfdd91dcc05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a7180165c5d07ca8f81d13fefba27c4adb4e408393ccacb591cfdd91dcc05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a7180165c5d07ca8f81d13fefba27c4adb4e408393ccacb591cfdd91dcc05a", kill_on_drop: false }`
[INFO] [stdout] 94a7180165c5d07ca8f81d13fefba27c4adb4e408393ccacb591cfdd91dcc05a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7bc6116978cdd013b8015c9cb0af2da4108786e2f4d02a1d7dbb73dbc04df48e
[INFO] running `Command { std: "docker" "start" "-a" "7bc6116978cdd013b8015c9cb0af2da4108786e2f4d02a1d7dbb73dbc04df48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking xassembler v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `compile::compile`
[INFO] [stdout]  --> src/parser.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{compile::compile, rust::Rust, target::Compile, token::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::*`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compile::compile`
[INFO] [stdout]  --> src/parser.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{compile::compile, rust::Rust, target::Compile, token::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::*`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiled`
[INFO] [stdout]    --> src/parser.rs:187:21
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 let compiled = Compile::<Rust>::compile(token.clone()).unwrap();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiled`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiled`
[INFO] [stdout]    --> src/parser.rs:187:21
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 let compiled = Compile::<Rust>::compile(token.clone()).unwrap();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiled`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "7bc6116978cdd013b8015c9cb0af2da4108786e2f4d02a1d7dbb73dbc04df48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc6116978cdd013b8015c9cb0af2da4108786e2f4d02a1d7dbb73dbc04df48e", kill_on_drop: false }`
[INFO] [stdout] 7bc6116978cdd013b8015c9cb0af2da4108786e2f4d02a1d7dbb73dbc04df48e