[INFO] cloning repository https://github.com/streof/grrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/streof/grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe2f1156a96e6d7236d5f2ae6dfedce60cc84390
[INFO] checking streof/grrs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/streof/grrs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/streof/grrs
[INFO] finished tweaking git repo https://github.com/streof/grrs
[INFO] tweaked toml for git repo https://github.com/streof/grrs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/streof/grrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2096bf0c0e752357ca8eba94bf5511a73850ce36d0a30e6c8b81642e7a7dba1e
[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" "2096bf0c0e752357ca8eba94bf5511a73850ce36d0a30e6c8b81642e7a7dba1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2096bf0c0e752357ca8eba94bf5511a73850ce36d0a30e6c8b81642e7a7dba1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2096bf0c0e752357ca8eba94bf5511a73850ce36d0a30e6c8b81642e7a7dba1e", kill_on_drop: false }`
[INFO] [stdout] 2096bf0c0e752357ca8eba94bf5511a73850ce36d0a30e6c8b81642e7a7dba1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 3e50900362252a212f219c9c1d63497da164e053c56e6f78751be43d03daa0b2
[INFO] running `Command { std: "docker" "start" "-a" "3e50900362252a212f219c9c1d63497da164e053c56e6f78751be43d03daa0b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling doc-comment v0.3.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking sp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "3e50900362252a212f219c9c1d63497da164e053c56e6f78751be43d03daa0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e50900362252a212f219c9c1d63497da164e053c56e6f78751be43d03daa0b2", kill_on_drop: false }`
[INFO] [stdout] 3e50900362252a212f219c9c1d63497da164e053c56e6f78751be43d03daa0b2