[INFO] fetching crate numeron 0.1.0...
[INFO] checking numeron-0.1.0 against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] extracting crate numeron 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate numeron 0.1.0 on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numeron 0.1.0
[INFO] finished tweaking crates.io crate numeron 0.1.0
[INFO] tweaked toml for crates.io crate numeron 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate numeron 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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6509c5a34e29f61a83bb65fcbdd1602e048b7950228badfa81a424e53518775
[INFO] running `Command { std: "docker" "start" "-a" "f6509c5a34e29f61a83bb65fcbdd1602e048b7950228badfa81a424e53518775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6509c5a34e29f61a83bb65fcbdd1602e048b7950228badfa81a424e53518775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6509c5a34e29f61a83bb65fcbdd1602e048b7950228badfa81a424e53518775", kill_on_drop: false }`
[INFO] [stdout] f6509c5a34e29f61a83bb65fcbdd1602e048b7950228badfa81a424e53518775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5318b917a1854f8307595065704d08f1ccc9f957e249919a9e21e79fd07c4cbc
[INFO] running `Command { std: "docker" "start" "-a" "5318b917a1854f8307595065704d08f1ccc9f957e249919a9e21e79fd07c4cbc", kill_on_drop: false }`
[INFO] [stderr]     Checking numeron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/parser/parser.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Borrow, process::exit};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vm` should have an upper camel case name
[INFO] [stdout]  --> src/vm/vm.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct vm {
[INFO] [stdout]   |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `Vm`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vm::*`
[INFO] [stdout]  --> src/vm/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use vm::*;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/parser/parser.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Borrow, process::exit};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vm` should have an upper camel case name
[INFO] [stdout]  --> src/vm/vm.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct vm {
[INFO] [stdout]   |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `Vm`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vm::*`
[INFO] [stdout]  --> src/vm/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use vm::*;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ex`
[INFO] [stdout]   --> src/parser/parser.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let ex = self.statement();
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_ex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/vm/vm.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for expression in &self.expressions {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ex`
[INFO] [stdout]   --> src/parser/parser.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let ex = self.statement();
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_ex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/vm/vm.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   add => {
[INFO] [stdout]    |                       --- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 52 | ...                   _ => {}
[INFO] [stdout]    |                       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: there is a binding of the same name; if you meant to pattern match against the value of that binding, that is a feature of constants that is not available for `let` bindings
[INFO] [stdout]   --> src/vm/vm.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   let add = "+".to_string();
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `numeron` (bin "numeron"); 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/249cb84316401daf040832cdbb8a45e0f5ab6af8/bin/rustc --crate-name numeron --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=9c26f3f93248a959 -C extra-filename=-4680462c71856999 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `numeron` (bin "numeron" test); 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/249cb84316401daf040832cdbb8a45e0f5ab6af8/bin/rustc --crate-name numeron --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=41a3bd0d3e433fe5 -C extra-filename=-5f604c7c83182eb6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5318b917a1854f8307595065704d08f1ccc9f957e249919a9e21e79fd07c4cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5318b917a1854f8307595065704d08f1ccc9f957e249919a9e21e79fd07c4cbc", kill_on_drop: false }`
[INFO] [stdout] 5318b917a1854f8307595065704d08f1ccc9f957e249919a9e21e79fd07c4cbc