[INFO] cloning repository https://github.com/playXE/runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fruntime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fruntime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4df148d809d63416d585d37d41a4ec3b09079e29
[INFO] testing playXE/runtime against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fruntime" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playXE/runtime on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/playXE/runtime
[INFO] finished tweaking git repo https://github.com/playXE/runtime
[INFO] tweaked toml for git repo https://github.com/playXE/runtime written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/playXE/runtime already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41937abeacbb94ac113570322a62124a812961b94b5b829a466245eeb4802ece
[INFO] running `Command { std: "docker" "start" "-a" "41937abeacbb94ac113570322a62124a812961b94b5b829a466245eeb4802ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41937abeacbb94ac113570322a62124a812961b94b5b829a466245eeb4802ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41937abeacbb94ac113570322a62124a812961b94b5b829a466245eeb4802ece", kill_on_drop: false }`
[INFO] [stdout] 41937abeacbb94ac113570322a62124a812961b94b5b829a466245eeb4802ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0159d72cf4bb0e960c918e0928c070d3e5ad7cbbfb0ab0fb07c17061180030
[INFO] running `Command { std: "docker" "start" "-a" "9c0159d72cf4bb0e960c918e0928c070d3e5ad7cbbfb0ab0fb07c17061180030", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::cycleanalysis::*`
[INFO] [stdout]  --> src/analysis/hammockgraph.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::cycleanalysis::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cfg::*`
[INFO] [stdout]  --> src/analysis/saferegion.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cfg::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analysis/hammockgraph.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut new_hammock = unvisited.get(&entry).cloned().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analysis/hammockgraph.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |             let mut v: Rc<RefCell<Hammock>> = v.clone();
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cfg`
[INFO] [stdout]  --> src/analysis/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cfg: &'a crate::cfg::ControlFlowGraph,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dom`
[INFO] [stdout]  --> src/analysis/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     dom: Option<dom::DominatorTree>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post_dom`
[INFO] [stdout]   --> src/analysis/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     post_dom: Option<postdom::PostDominatorTree>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cycle`
[INFO] [stdout]   --> src/analysis/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     cycle: Option<cycleanalysis::CycleAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hammockgraph`
[INFO] [stdout]   --> src/analysis/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     hammockgraph: Option<hammockgraph::HammockAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `saferegion`
[INFO] [stdout]   --> src/analysis/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     saferegion: Option<saferegion::SafeRegionAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut b2 = cfg.insert_block(CodeBlockRef::new(block));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 1.98s
[INFO] running `Command { std: "docker" "inspect" "9c0159d72cf4bb0e960c918e0928c070d3e5ad7cbbfb0ab0fb07c17061180030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0159d72cf4bb0e960c918e0928c070d3e5ad7cbbfb0ab0fb07c17061180030", kill_on_drop: false }`
[INFO] [stdout] 9c0159d72cf4bb0e960c918e0928c070d3e5ad7cbbfb0ab0fb07c17061180030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89d916387208deb9d75cd67fe524a0bbf9760966d0878f16e882a626f4b0b78
[INFO] running `Command { std: "docker" "start" "-a" "d89d916387208deb9d75cd67fe524a0bbf9760966d0878f16e882a626f4b0b78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `super::cycleanalysis::*`
[INFO] [stdout]  --> src/analysis/hammockgraph.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::cycleanalysis::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cfg::*`
[INFO] [stdout]  --> src/analysis/saferegion.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cfg::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analysis/hammockgraph.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut new_hammock = unvisited.get(&entry).cloned().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analysis/hammockgraph.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |             let mut v: Rc<RefCell<Hammock>> = v.clone();
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cfg`
[INFO] [stdout]  --> src/analysis/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cfg: &'a crate::cfg::ControlFlowGraph,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dom`
[INFO] [stdout]  --> src/analysis/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     dom: Option<dom::DominatorTree>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post_dom`
[INFO] [stdout]   --> src/analysis/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     post_dom: Option<postdom::PostDominatorTree>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cycle`
[INFO] [stdout]   --> src/analysis/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     cycle: Option<cycleanalysis::CycleAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hammockgraph`
[INFO] [stdout]   --> src/analysis/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     hammockgraph: Option<hammockgraph::HammockAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `saferegion`
[INFO] [stdout]   --> src/analysis/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     saferegion: Option<saferegion::SafeRegionAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut b2 = cfg.insert_block(CodeBlockRef::new(block));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::cycleanalysis::*`
[INFO] [stdout]  --> src/analysis/hammockgraph.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::cycleanalysis::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cfg::*`
[INFO] [stdout]  --> src/analysis/saferegion.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cfg::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analysis/hammockgraph.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut new_hammock = unvisited.get(&entry).cloned().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analysis/hammockgraph.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |             let mut v: Rc<RefCell<Hammock>> = v.clone();
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cfg`
[INFO] [stdout]  --> src/analysis/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cfg: &'a crate::cfg::ControlFlowGraph,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dom`
[INFO] [stdout]  --> src/analysis/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     dom: Option<dom::DominatorTree>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post_dom`
[INFO] [stdout]   --> src/analysis/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     post_dom: Option<postdom::PostDominatorTree>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cycle`
[INFO] [stdout]   --> src/analysis/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     cycle: Option<cycleanalysis::CycleAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hammockgraph`
[INFO] [stdout]   --> src/analysis/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     hammockgraph: Option<hammockgraph::HammockAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `saferegion`
[INFO] [stdout]   --> src/analysis/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     saferegion: Option<saferegion::SafeRegionAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/runtime-b48a31873925dcee)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/runtime-05dc447aa4679dd0)
[INFO] running `Command { std: "docker" "inspect" "d89d916387208deb9d75cd67fe524a0bbf9760966d0878f16e882a626f4b0b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89d916387208deb9d75cd67fe524a0bbf9760966d0878f16e882a626f4b0b78", kill_on_drop: false }`
[INFO] [stdout] d89d916387208deb9d75cd67fe524a0bbf9760966d0878f16e882a626f4b0b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7891c75586898c625cd75a23b15ba0fe68520084f85b798aa872563a4f405fe
[INFO] running `Command { std: "docker" "start" "-a" "d7891c75586898c625cd75a23b15ba0fe68520084f85b798aa872563a4f405fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::cycleanalysis::*`
[INFO] [stderr]  --> src/analysis/hammockgraph.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::cycleanalysis::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cfg::*`
[INFO] [stderr]  --> src/analysis/saferegion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::cfg::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analysis/hammockgraph.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut new_hammock = unvisited.get(&entry).cloned().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analysis/hammockgraph.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |             let mut v: Rc<RefCell<Hammock>> = v.clone();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cfg`
[INFO] [stderr]  --> src/analysis/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     cfg: &'a crate::cfg::ControlFlowGraph,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dom`
[INFO] [stderr]  --> src/analysis/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     dom: Option<dom::DominatorTree>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `post_dom`
[INFO] [stderr]   --> src/analysis/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     post_dom: Option<postdom::PostDominatorTree>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cycle`
[INFO] [stderr]   --> src/analysis/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     cycle: Option<cycleanalysis::CycleAnalysis>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hammockgraph`
[INFO] [stderr]   --> src/analysis/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     hammockgraph: Option<hammockgraph::HammockAnalysis>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `saferegion`
[INFO] [stderr]   --> src/analysis/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     saferegion: Option<saferegion::SafeRegionAnalysis>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `runtime` (lib) generated 10 warnings
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut b2 = cfg.insert_block(CodeBlockRef::new(block));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `runtime` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: `runtime` (bin "runtime" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/runtime-b48a31873925dcee)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/runtime-05dc447aa4679dd0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests runtime
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7891c75586898c625cd75a23b15ba0fe68520084f85b798aa872563a4f405fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7891c75586898c625cd75a23b15ba0fe68520084f85b798aa872563a4f405fe", kill_on_drop: false }`
[INFO] [stdout] d7891c75586898c625cd75a23b15ba0fe68520084f85b798aa872563a4f405fe