[INFO] fetching crate gitversion 0.2.1...
[INFO] checking gitversion-0.2.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate gitversion 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gitversion 0.2.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gitversion 0.2.1
[INFO] finished tweaking crates.io crate gitversion 0.2.1
[INFO] tweaked toml for crates.io crate gitversion 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate gitversion 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 3c2761218c0c2496abb31489b6cff99c5e044eedb3d0f7a417d06d46e2deec85
[INFO] running `Command { std: "docker" "start" "-a" "3c2761218c0c2496abb31489b6cff99c5e044eedb3d0f7a417d06d46e2deec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2761218c0c2496abb31489b6cff99c5e044eedb3d0f7a417d06d46e2deec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2761218c0c2496abb31489b6cff99c5e044eedb3d0f7a417d06d46e2deec85", kill_on_drop: false }`
[INFO] [stdout] 3c2761218c0c2496abb31489b6cff99c5e044eedb3d0f7a417d06d46e2deec85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ebf5648ee4e53a1861feb063ac093775d1ac772887f7fafc37fe0d9ffc061ef
[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" "0ebf5648ee4e53a1861feb063ac093775d1ac772887f7fafc37fe0d9ffc061ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking git2 v0.13.17
[INFO] [stderr]     Checking gitversion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "0ebf5648ee4e53a1861feb063ac093775d1ac772887f7fafc37fe0d9ffc061ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebf5648ee4e53a1861feb063ac093775d1ac772887f7fafc37fe0d9ffc061ef", kill_on_drop: false }`
[INFO] [stdout] 0ebf5648ee4e53a1861feb063ac093775d1ac772887f7fafc37fe0d9ffc061ef