[INFO] fetching crate lc3dbg 1.2.2...
[INFO] checking lc3dbg-1.2.2 against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] extracting crate lc3dbg 1.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate lc3dbg 1.2.2
[INFO] finished tweaking crates.io crate lc3dbg 1.2.2
[INFO] tweaked toml for crates.io crate lc3dbg 1.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lc3dbg 1.2.2 on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lc3dbg 1.2.2 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" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded pretty-bytes v0.2.2
[INFO] [stderr]   Downloaded lc3-rs v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300
[INFO] running `Command { std: "docker" "start" "cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking lc3-rs v0.4.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking lc3dbg v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/symbol.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let splits = instruction.clone().split(" ").collect::<Vec<_>>();
[INFO] [stdout]    |                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/symbol.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let splits = instruction.clone().split(" ").collect::<Vec<_>>();
[INFO] [stdout]    |                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300", kill_on_drop: false }`
[INFO] [stdout] cdd29d1651e63744c25222707d1619d44b3c0fb87c60f3a23b322d0e4c736300
