[INFO] fetching crate grep 0.2.8...
[INFO] checking grep-0.2.8 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate grep 0.2.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate grep 0.2.8 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep 0.2.8
[INFO] finished tweaking crates.io crate grep 0.2.8
[INFO] tweaked toml for crates.io crate grep 0.2.8 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate grep 0.2.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded globset v0.4.7
[INFO] [stderr]   Downloaded grep-printer v0.1.6
[INFO] [stderr]   Downloaded grep-cli v0.1.6
[INFO] [stderr]   Downloaded grep-pcre2 v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 1a1c693aea7139112488ab1f75b053257cc041c8c8c4bcbcce3d53aadee261d4
[INFO] running `Command { std: "docker" "start" "-a" "1a1c693aea7139112488ab1f75b053257cc041c8c8c4bcbcce3d53aadee261d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1c693aea7139112488ab1f75b053257cc041c8c8c4bcbcce3d53aadee261d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1c693aea7139112488ab1f75b053257cc041c8c8c4bcbcce3d53aadee261d4", kill_on_drop: false }`
[INFO] [stdout] 1a1c693aea7139112488ab1f75b053257cc041c8c8c4bcbcce3d53aadee261d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e643430e1ff30b4ec39eacc8d3bf4deba5c69e17c65aba04557b805a33d457
[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" "49e643430e1ff30b4ec39eacc8d3bf4deba5c69e17c65aba04557b805a33d457", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking grep-matcher v0.1.5
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.7
[INFO] [stderr]     Checking grep-regex v0.1.9
[INFO] [stderr]     Checking grep-cli v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking grep-printer v0.1.6
[INFO] [stderr]     Checking grep v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.57s
[INFO] running `Command { std: "docker" "inspect" "49e643430e1ff30b4ec39eacc8d3bf4deba5c69e17c65aba04557b805a33d457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e643430e1ff30b4ec39eacc8d3bf4deba5c69e17c65aba04557b805a33d457", kill_on_drop: false }`
[INFO] [stdout] 49e643430e1ff30b4ec39eacc8d3bf4deba5c69e17c65aba04557b805a33d457