[INFO] fetching crate elfloader 0.12.0...
[INFO] checking elfloader-0.12.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate elfloader 0.12.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate elfloader 0.12.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elfloader 0.12.0
[INFO] finished tweaking crates.io crate elfloader 0.12.0
[INFO] tweaked toml for crates.io crate elfloader 0.12.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmas-elf v0.7.0
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 898559aa8e2f4aa048ebb333dd0063313d5f343c29f558c9ddd764f78219a0d4
[INFO] running `Command { std: "docker" "start" "-a" "898559aa8e2f4aa048ebb333dd0063313d5f343c29f558c9ddd764f78219a0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "898559aa8e2f4aa048ebb333dd0063313d5f343c29f558c9ddd764f78219a0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898559aa8e2f4aa048ebb333dd0063313d5f343c29f558c9ddd764f78219a0d4", kill_on_drop: false }`
[INFO] [stdout] 898559aa8e2f4aa048ebb333dd0063313d5f343c29f558c9ddd764f78219a0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9a3314906050670066fc4a7d4085524bda3909f15b24eb578ba155194d4e1e7
[INFO] running `Command { std: "docker" "start" "-a" "b9a3314906050670066fc4a7d4085524bda3909f15b24eb578ba155194d4e1e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking libc v0.2.97
[INFO] [stderr]     Checking xmas-elf v0.7.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking elfloader v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/lib.rs:559:28
[INFO] [stdout]     |
[INFO] [stdout] 559 |         fn load(&mut self, flags: Flags, base: VAddr, region: &[u8]) -> Result<(), &'static str> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "b9a3314906050670066fc4a7d4085524bda3909f15b24eb578ba155194d4e1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a3314906050670066fc4a7d4085524bda3909f15b24eb578ba155194d4e1e7", kill_on_drop: false }`
[INFO] [stdout] b9a3314906050670066fc4a7d4085524bda3909f15b24eb578ba155194d4e1e7