[INFO] fetching crate arithmetic-parser 0.2.0...
[INFO] checking arithmetic-parser-0.2.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate arithmetic-parser 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate arithmetic-parser 0.2.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arithmetic-parser 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arithmetic-parser 0.2.0
[INFO] tweaked toml for crates.io crate arithmetic-parser 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate arithmetic-parser 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom_locate v3.0.0
[INFO] [stderr]   Downloaded version-sync v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f530fb9d6bdae37e66b563ff80c8dcc53fb331c0b3771ef24cd4e1f5744f0005
[INFO] running `Command { std: "docker" "start" "-a" "f530fb9d6bdae37e66b563ff80c8dcc53fb331c0b3771ef24cd4e1f5744f0005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f530fb9d6bdae37e66b563ff80c8dcc53fb331c0b3771ef24cd4e1f5744f0005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f530fb9d6bdae37e66b563ff80c8dcc53fb331c0b3771ef24cd4e1f5744f0005", kill_on_drop: false }`
[INFO] [stdout] f530fb9d6bdae37e66b563ff80c8dcc53fb331c0b3771ef24cd4e1f5744f0005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0292be17bda9fa0529ce0f541090a8f60e19b586da29b475772ad5f4cb8b6d
[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" "3c0292be17bda9fa0529ce0f541090a8f60e19b586da29b475772ad5f4cb8b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking nom_locate v3.0.0
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking arithmetic-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UnaryOp`
[INFO] [stdout]    --> src/grammars/mod.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |     use crate::{Expr, UnaryOp};
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 35.96s
[INFO] running `Command { std: "docker" "inspect" "3c0292be17bda9fa0529ce0f541090a8f60e19b586da29b475772ad5f4cb8b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0292be17bda9fa0529ce0f541090a8f60e19b586da29b475772ad5f4cb8b6d", kill_on_drop: false }`
[INFO] [stdout] 3c0292be17bda9fa0529ce0f541090a8f60e19b586da29b475772ad5f4cb8b6d