[INFO] fetching crate gherkin_rust 0.10.1...
[INFO] checking gherkin_rust-0.10.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate gherkin_rust 0.10.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gherkin_rust 0.10.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gherkin_rust 0.10.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gherkin_rust 0.10.1
[INFO] tweaked toml for crates.io crate gherkin_rust 0.10.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 7b75619ccb60cf4955d815278b860d8ab3292778681bcc37876468e70f6a59b7
[INFO] running `Command { std: "docker" "start" "-a" "7b75619ccb60cf4955d815278b860d8ab3292778681bcc37876468e70f6a59b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b75619ccb60cf4955d815278b860d8ab3292778681bcc37876468e70f6a59b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b75619ccb60cf4955d815278b860d8ab3292778681bcc37876468e70f6a59b7", kill_on_drop: false }`
[INFO] [stdout] 7b75619ccb60cf4955d815278b860d8ab3292778681bcc37876468e70f6a59b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866a542522b698e12a1e993e1de53fe7ccf8baf61c5949fff209fae3ffe539a0
[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" "866a542522b698e12a1e993e1de53fe7ccf8baf61c5949fff209fae3ffe539a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shh v1.0.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling typed-builder v0.7.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling cute_custom_default v2.1.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling gherkin_rust v0.10.1
[INFO] [stderr]    Compiling gherkin_rust v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cucumber_rust v0.8.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.73s
[INFO] running `Command { std: "docker" "inspect" "866a542522b698e12a1e993e1de53fe7ccf8baf61c5949fff209fae3ffe539a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866a542522b698e12a1e993e1de53fe7ccf8baf61c5949fff209fae3ffe539a0", kill_on_drop: false }`
[INFO] [stdout] 866a542522b698e12a1e993e1de53fe7ccf8baf61c5949fff209fae3ffe539a0