[INFO] cloning repository https://github.com/ELD/hackassembler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ELD/hackassembler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FELD%2Fhackassembler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FELD%2Fhackassembler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c3a9a28f43251b825e75be9d9880a58569c3580
[INFO] checking ELD/hackassembler-rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FELD%2Fhackassembler-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ELD/hackassembler-rs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ELD/hackassembler-rs
[INFO] finished tweaking git repo https://github.com/ELD/hackassembler-rs
[INFO] tweaked toml for git repo https://github.com/ELD/hackassembler-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ELD/hackassembler-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b157ebe0ec63e05cfeacda4bc1acb9ec1a76d84f7be76caa0bdbbe477f0396
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3b157ebe0ec63e05cfeacda4bc1acb9ec1a76d84f7be76caa0bdbbe477f0396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b157ebe0ec63e05cfeacda4bc1acb9ec1a76d84f7be76caa0bdbbe477f0396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b157ebe0ec63e05cfeacda4bc1acb9ec1a76d84f7be76caa0bdbbe477f0396", kill_on_drop: false }`
[INFO] [stdout] a3b157ebe0ec63e05cfeacda4bc1acb9ec1a76d84f7be76caa0bdbbe477f0396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dd219380ba14b6dd6ff045a31105ac9e6580d8ac61e0510167889817989e88c
[INFO] running `Command { std: "docker" "start" "-a" "2dd219380ba14b6dd6ff045a31105ac9e6580d8ac61e0510167889817989e88c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.4.1
[INFO] [stderr]     Checking regex v0.1.48
[INFO] [stderr]     Checking hackassembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]   --> src/syntax/lex.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use std::io::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/syntax/parse.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let parser = setup();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:19:57
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(what) => panic!("Something went wrong: {}", Error::description(&what)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(what) => panic!("Something went wrong: {}", Error::description(&what)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:19:57
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(what) => panic!("Something went wrong: {}", Error::description(&what)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(what) => panic!("Something went wrong: {}", Error::description(&what)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "2dd219380ba14b6dd6ff045a31105ac9e6580d8ac61e0510167889817989e88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd219380ba14b6dd6ff045a31105ac9e6580d8ac61e0510167889817989e88c", kill_on_drop: false }`
[INFO] [stdout] 2dd219380ba14b6dd6ff045a31105ac9e6580d8ac61e0510167889817989e88c