[INFO] fetching crate watc 0.0.1...
[INFO] checking watc-0.0.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate watc 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate watc 0.0.1 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 watc 0.0.1
[INFO] finished tweaking crates.io crate watc 0.0.1
[INFO] tweaked toml for crates.io crate watc 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 wat v1.0.31
[INFO] [stderr]   Downloaded wast v30.0.0
[INFO] [stderr]   Downloaded cstring v0.1.1
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] [stderr]   Downloaded wasm-compiler v0.0.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] aa0215a4f49ee2adcee59885c6f45910ad7098d4776694daa0a852de93192bfc
[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" "aa0215a4f49ee2adcee59885c6f45910ad7098d4776694daa0a852de93192bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0215a4f49ee2adcee59885c6f45910ad7098d4776694daa0a852de93192bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0215a4f49ee2adcee59885c6f45910ad7098d4776694daa0a852de93192bfc", kill_on_drop: false }`
[INFO] [stdout] aa0215a4f49ee2adcee59885c6f45910ad7098d4776694daa0a852de93192bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9a3bdbb1e092c9b3e7d517042d992f54ebc251fea0e5c91585a7f0e03a0a921
[INFO] running `Command { std: "docker" "start" "-a" "d9a3bdbb1e092c9b3e7d517042d992f54ebc251fea0e5c91585a7f0e03a0a921", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking wast v30.0.0
[INFO] [stderr]     Checking cstring v0.1.1
[INFO] [stderr]     Checking wasm-compiler v0.0.0
[INFO] [stderr]     Checking wat v1.0.31
[INFO] [stderr]     Checking watc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/lib.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_compiler::{log, process};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/lib.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_compiler::{log, process};
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "d9a3bdbb1e092c9b3e7d517042d992f54ebc251fea0e5c91585a7f0e03a0a921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a3bdbb1e092c9b3e7d517042d992f54ebc251fea0e5c91585a7f0e03a0a921", kill_on_drop: false }`
[INFO] [stdout] d9a3bdbb1e092c9b3e7d517042d992f54ebc251fea0e5c91585a7f0e03a0a921