[INFO] cloning repository https://github.com/davidbarsky/vis-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidbarsky/vis-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Fvis-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Fvis-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4122c30a5cbc2f2c5cd87d774b834a3ea10a69a
[INFO] checking davidbarsky/vis-diff against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Fvis-diff" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidbarsky/vis-diff on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidbarsky/vis-diff
[INFO] finished tweaking git repo https://github.com/davidbarsky/vis-diff
[INFO] tweaked toml for git repo https://github.com/davidbarsky/vis-diff written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davidbarsky/vis-diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded structopt v0.1.6
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fcba7d366cc48d826cabd58c79acd92c50c660d38c9c7c8e3a42f730a5df5d8
[INFO] running `Command { std: "docker" "start" "-a" "6fcba7d366cc48d826cabd58c79acd92c50c660d38c9c7c8e3a42f730a5df5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fcba7d366cc48d826cabd58c79acd92c50c660d38c9c7c8e3a42f730a5df5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcba7d366cc48d826cabd58c79acd92c50c660d38c9c7c8e3a42f730a5df5d8", kill_on_drop: false }`
[INFO] [stdout] 6fcba7d366cc48d826cabd58c79acd92c50c660d38c9c7c8e3a42f730a5df5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a25b840c11aacbeaf670e78d1bb299ad449d19ea4c51ee1d2de76046636fbb2a
[INFO] running `Command { std: "docker" "start" "-a" "a25b840c11aacbeaf670e78d1bb299ad449d19ea4c51ee1d2de76046636fbb2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking vis-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "a25b840c11aacbeaf670e78d1bb299ad449d19ea4c51ee1d2de76046636fbb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25b840c11aacbeaf670e78d1bb299ad449d19ea4c51ee1d2de76046636fbb2a", kill_on_drop: false }`
[INFO] [stdout] a25b840c11aacbeaf670e78d1bb299ad449d19ea4c51ee1d2de76046636fbb2a
