[INFO] cloning repository https://github.com/ncalibey/iridium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ncalibey/iridium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fncalibey%2Firidium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fncalibey%2Firidium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d17bd47eaf9b400f636f5c92349fa51e12ec8259
[INFO] checking ncalibey/iridium against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fncalibey%2Firidium" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ncalibey/iridium on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ncalibey/iridium
[INFO] finished tweaking git repo https://github.com/ncalibey/iridium
[INFO] tweaked toml for git repo https://github.com/ncalibey/iridium written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ncalibey/iridium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5985a4660e931083ba54762008fc9ece036d6a95139c7f93781246cbf9c8c903
[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" "5985a4660e931083ba54762008fc9ece036d6a95139c7f93781246cbf9c8c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5985a4660e931083ba54762008fc9ece036d6a95139c7f93781246cbf9c8c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5985a4660e931083ba54762008fc9ece036d6a95139c7f93781246cbf9c8c903", kill_on_drop: false }`
[INFO] [stdout] 5985a4660e931083ba54762008fc9ece036d6a95139c7f93781246cbf9c8c903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17b2f60919310c065769832a6b14215d9874c8c27fd71f7f6b5da2857fa4e83
[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" "b17b2f60919310c065769832a6b14215d9874c8c27fd71f7f6b5da2857fa4e83", kill_on_drop: false }`
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking iridium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PIE_HEADER_LENGTH`
[INFO] [stdout]  --> src/vm.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::assembler::{PIE_HEADER_LENGTH, PIE_HEADER_PREFIX};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vm::VM`
[INFO] [stdout]   --> src/assembler/symbols.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use crate::vm::VM;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_labels`
[INFO] [stdout]    --> src/assembler/mod.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn extract_labels(&mut self, p: &Program) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_pid`
[INFO] [stdout]  --> src/scheduler/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     next_pid: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_pid`
[INFO] [stdout]  --> src/scheduler/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     max_pid: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_labels`
[INFO] [stdout]    --> src/assembler/mod.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn extract_labels(&mut self, p: &Program) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_pid`
[INFO] [stdout]  --> src/scheduler/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     next_pid: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_pid`
[INFO] [stdout]  --> src/scheduler/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     max_pid: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/vm.rs:267:39
[INFO] [stdout]     |
[INFO] [stdout] 267 |         for byte in PIE_HEADER_PREFIX.into_iter() {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `Command { std: "docker" "inspect" "b17b2f60919310c065769832a6b14215d9874c8c27fd71f7f6b5da2857fa4e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17b2f60919310c065769832a6b14215d9874c8c27fd71f7f6b5da2857fa4e83", kill_on_drop: false }`
[INFO] [stdout] b17b2f60919310c065769832a6b14215d9874c8c27fd71f7f6b5da2857fa4e83