[INFO] updating cached repository https://github.com/fasterthanlime/ptv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9fd73363d4bf2eca4e2ebfd31c3c49b8a16b8f5
[INFO] checking fasterthanlime/ptv against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fptv" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fasterthanlime/ptv on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fasterthanlime/ptv
[INFO] finished tweaking git repo https://github.com/fasterthanlime/ptv
[INFO] tweaked toml for git repo https://github.com/fasterthanlime/ptv written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fasterthanlime/ptv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a91e4b9a63b991943b35f7392e29c0c3007594cf6215ed79532b0d5605ffb24d
[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" "a91e4b9a63b991943b35f7392e29c0c3007594cf6215ed79532b0d5605ffb24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91e4b9a63b991943b35f7392e29c0c3007594cf6215ed79532b0d5605ffb24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91e4b9a63b991943b35f7392e29c0c3007594cf6215ed79532b0d5605ffb24d", kill_on_drop: false }`
[INFO] [stdout] a91e4b9a63b991943b35f7392e29c0c3007594cf6215ed79532b0d5605ffb24d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc57fcd2d5f1c89f202904020cf4d832720eafbff0209a0cebb9e2709256cfa8
[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" "bc57fcd2d5f1c89f202904020cf4d832720eafbff0209a0cebb9e2709256cfa8", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking backtrace-sys v0.1.36
[INFO] [stderr]     Checking findshlibs v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]     Checking addr2line v0.11.0
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.1
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]     Checking pegviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.45s
[INFO] running `Command { std: "docker" "inspect" "bc57fcd2d5f1c89f202904020cf4d832720eafbff0209a0cebb9e2709256cfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc57fcd2d5f1c89f202904020cf4d832720eafbff0209a0cebb9e2709256cfa8", kill_on_drop: false }`
[INFO] [stdout] bc57fcd2d5f1c89f202904020cf4d832720eafbff0209a0cebb9e2709256cfa8