[INFO] updating cached repository https://github.com/RikardLegge/legge-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/RikardLegge/legge-vm
[INFO] [stderr]    bb59a7f..a5bcd42  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5bcd42440fd701649b5eff0d2f9807db503482a
[INFO] checking RikardLegge/legge-vm against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikardLegge%2Flegge-vm" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RikardLegge/legge-vm on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RikardLegge/legge-vm
[INFO] finished tweaking git repo https://github.com/RikardLegge/legge-vm
[INFO] tweaked toml for git repo https://github.com/RikardLegge/legge-vm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/RikardLegge/legge-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e49b649eb6a2ce0143c5cece8f5f4d612458063c1c66dda93fcc9b7d5fe0ef6
[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" "7e49b649eb6a2ce0143c5cece8f5f4d612458063c1c66dda93fcc9b7d5fe0ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e49b649eb6a2ce0143c5cece8f5f4d612458063c1c66dda93fcc9b7d5fe0ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e49b649eb6a2ce0143c5cece8f5f4d612458063c1c66dda93fcc9b7d5fe0ef6", kill_on_drop: false }`
[INFO] [stdout] 7e49b649eb6a2ce0143c5cece8f5f4d612458063c1c66dda93fcc9b7d5fe0ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efcfb9d0a25d523f20f0cc4ec6f2ac2c4c8c416f022b5638001d4585a13a0544
[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" "efcfb9d0a25d523f20f0cc4ec6f2ac2c4c8c416f022b5638001d4585a13a0544", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling proc-macro2 v0.4.5
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking legge-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ast::NodeBody`
[INFO] [stdout]  --> src/ast/checker.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::NodeBody;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::NodeBody`
[INFO] [stdout]  --> src/ast/checker.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::NodeBody;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inf_tp`
[INFO] [stdout]   --> src/ast/checker.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if let Some(inf_tp) = &node.tp {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inf_tp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/ast/typer.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_type_from_string(&self, node_id: &NodeID, tp: &str) -> Option<NodeType> {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/ast/typer.rs:92:49
[INFO] [stdout]    |
[INFO] [stdout] 92 |             ProcedureDeclaration(args, returns, body) => {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inf_tp`
[INFO] [stdout]   --> src/ast/checker.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if let Some(inf_tp) = &node.tp {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inf_tp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/ast/typer.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_type_from_string(&self, node_id: &NodeID, tp: &str) -> Option<NodeType> {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/ast/typer.rs:92:49
[INFO] [stdout]    |
[INFO] [stdout] 92 |             ProcedureDeclaration(args, returns, body) => {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.69s
[INFO] running `Command { std: "docker" "inspect" "efcfb9d0a25d523f20f0cc4ec6f2ac2c4c8c416f022b5638001d4585a13a0544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcfb9d0a25d523f20f0cc4ec6f2ac2c4c8c416f022b5638001d4585a13a0544", kill_on_drop: false }`
[INFO] [stdout] efcfb9d0a25d523f20f0cc4ec6f2ac2c4c8c416f022b5638001d4585a13a0544