[INFO] fetching crate mogi_run_program 0.1.0...
[INFO] checking mogi_run_program-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate mogi_run_program 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mogi_run_program 0.1.0
[INFO] finished tweaking crates.io crate mogi_run_program 0.1.0
[INFO] tweaked toml for crates.io crate mogi_run_program 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mogi_run_program 0.1.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mogi_run_program 0.1.0 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4af90eb212c6353f9320ae7d11657e0ad77b228977246d82be60073248a81541
[INFO] running `Command { std: "docker" "start" "-a" "4af90eb212c6353f9320ae7d11657e0ad77b228977246d82be60073248a81541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af90eb212c6353f9320ae7d11657e0ad77b228977246d82be60073248a81541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af90eb212c6353f9320ae7d11657e0ad77b228977246d82be60073248a81541", kill_on_drop: false }`
[INFO] [stdout] 4af90eb212c6353f9320ae7d11657e0ad77b228977246d82be60073248a81541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ff0c5881b349e3e5e3d1e22d900ab9ca069c8dee8b1bcebc4511ae8f311addf
[INFO] running `Command { std: "docker" "start" "-a" "2ff0c5881b349e3e5e3d1e22d900ab9ca069c8dee8b1bcebc4511ae8f311addf", kill_on_drop: false }`
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[INFO] [stderr]     Checking tinytemplate v1.2.1
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[INFO] [stderr]     Checking bon v3.9.1
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking mogi_utilities v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.8.2
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stderr]     Checking mogi_system v0.1.0
[INFO] [stderr]     Checking mogi_sleigh_parser v0.1.0
[INFO] [stderr]     Checking dynasmrt v5.0.0
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[INFO] [stderr]     Checking mogi_mem v0.1.0
[INFO] [stderr]     Checking mogi_emulator v0.1.0
[INFO] [stderr]     Checking mogi_cpu v0.1.0
[INFO] [stderr]     Checking mogi_fuzzer v0.1.0
[INFO] [stderr]     Checking mogi_run_program v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> benches/run_program.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 191 | /             match exit_reason {
[INFO] [stdout] 192 | |                 ExitReason::Stopped => {
[INFO] [stdout] 193 | |                     panic!("Stopped")
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |             }
[INFO] [stdout]     | |_____________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 208 |               start.elapsed()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iters`
[INFO] [stdout]    --> benches/run_program.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |         b.iter_custom(|iters| {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_iters`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iters`
[INFO] [stdout]    --> benches/run_program.rs:185:24
[INFO] [stdout]     |
[INFO] [stdout] 185 |         b.iter_custom(|iters| {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_iters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> benches/run_program.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let start = Instant::now();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_BINARY` is never used
[INFO] [stdout]   --> benches/run_program.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const DEFAULT_BINARY: &str = "/home/user/fibonacci";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchConfig` is never constructed
[INFO] [stdout]   --> benches/run_program.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct BenchConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "2ff0c5881b349e3e5e3d1e22d900ab9ca069c8dee8b1bcebc4511ae8f311addf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff0c5881b349e3e5e3d1e22d900ab9ca069c8dee8b1bcebc4511ae8f311addf", kill_on_drop: false }`
[INFO] [stdout] 2ff0c5881b349e3e5e3d1e22d900ab9ca069c8dee8b1bcebc4511ae8f311addf