[INFO] fetching crate elfloader 0.11.0...
[INFO] checking elfloader-0.11.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate elfloader 0.11.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate elfloader 0.11.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elfloader 0.11.0
[INFO] finished tweaking crates.io crate elfloader 0.11.0
[INFO] tweaked toml for crates.io crate elfloader 0.11.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", 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] 67c85ba8c9301cd0796028153bec4a09ef2203a1028298a6856b93ea6b56c873
[INFO] running `Command { std: "docker" "start" "-a" "67c85ba8c9301cd0796028153bec4a09ef2203a1028298a6856b93ea6b56c873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c85ba8c9301cd0796028153bec4a09ef2203a1028298a6856b93ea6b56c873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c85ba8c9301cd0796028153bec4a09ef2203a1028298a6856b93ea6b56c873", kill_on_drop: false }`
[INFO] [stdout] 67c85ba8c9301cd0796028153bec4a09ef2203a1028298a6856b93ea6b56c873
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20aa71ae33082909bf2d97590629ca5512c235e85b8dd7cdedfaa8f743276aa8
[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" "20aa71ae33082909bf2d97590629ca5512c235e85b8dd7cdedfaa8f743276aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xmas-elf v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking elfloader v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.4.2
[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 7.79s
[INFO] running `Command { std: "docker" "inspect" "20aa71ae33082909bf2d97590629ca5512c235e85b8dd7cdedfaa8f743276aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20aa71ae33082909bf2d97590629ca5512c235e85b8dd7cdedfaa8f743276aa8", kill_on_drop: false }`
[INFO] [stdout] 20aa71ae33082909bf2d97590629ca5512c235e85b8dd7cdedfaa8f743276aa8