[INFO] fetching crate mockrs 1.2.6...
[INFO] checking mockrs-1.2.6 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate mockrs 1.2.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mockrs 1.2.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mockrs 1.2.6
[INFO] tweaked toml for crates.io crate mockrs 1.2.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mockrs 1.2.6 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mockrs 1.2.6 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded keystone v0.9.0
[INFO] [stderr]   Downloaded capstone v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.155
[INFO] [stderr]   Downloaded iced-x86 v1.21.0
[INFO] [stderr]   Downloaded capstone-sys v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e42da66d558202749b95cf7177c2919aaf690949d18ed8b68fb5aa5bc85d18b
[INFO] running `Command { std: "docker" "start" "-a" "1e42da66d558202749b95cf7177c2919aaf690949d18ed8b68fb5aa5bc85d18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e42da66d558202749b95cf7177c2919aaf690949d18ed8b68fb5aa5bc85d18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e42da66d558202749b95cf7177c2919aaf690949d18ed8b68fb5aa5bc85d18b", kill_on_drop: false }`
[INFO] [stdout] 1e42da66d558202749b95cf7177c2919aaf690949d18ed8b68fb5aa5bc85d18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72dd15f198c440b4e005d000590075e59ed50d2ffcd0ccc6776a7562ba80b707
[INFO] running `Command { std: "docker" "start" "-a" "72dd15f198c440b4e005d000590075e59ed50d2ffcd0ccc6776a7562ba80b707", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking iced-x86 v1.21.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling mockrs v1.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `tail_needed` is never read
[INFO] [stdout]   --> src/arch/x86_64.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut tail_needed = false;
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstrPosition` is never constructed
[INFO] [stdout]   --> src/arch/x86_64.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct InstrPosition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tail_needed` is never read
[INFO] [stdout]   --> src/arch/x86_64.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut tail_needed = false;
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstrPosition` is never constructed
[INFO] [stdout]   --> src/arch/x86_64.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct InstrPosition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "72dd15f198c440b4e005d000590075e59ed50d2ffcd0ccc6776a7562ba80b707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72dd15f198c440b4e005d000590075e59ed50d2ffcd0ccc6776a7562ba80b707", kill_on_drop: false }`
[INFO] [stdout] 72dd15f198c440b4e005d000590075e59ed50d2ffcd0ccc6776a7562ba80b707