[INFO] updating cached repository https://github.com/divergentdave/certificate_carver
[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] [stderr] From https://github.com/divergentdave/certificate_carver
[INFO] [stderr]  + 08eebcb...4b14174 dependabot/cargo/async-std-1.6.1 -> dependabot/cargo/async-std-1.6.1  (forced update)
[INFO] [stderr]  + 2aef3ed...c6f2688 dependabot/cargo/sha2-0.9.0 -> dependabot/cargo/sha2-0.9.0  (forced update)
[INFO] [stderr]  * [new branch]      dependabot/cargo/zip-0.5.6  -> dependabot/cargo/zip-0.5.6
[INFO] [stderr]    34ee539..be04b66  master                      -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be04b6635c5340582a56855c442e7203f2e882a9
[INFO] checking divergentdave/certificate_carver against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivergentdave%2Fcertificate_carver" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/divergentdave/certificate_carver 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/divergentdave/certificate_carver
[INFO] finished tweaking git repo https://github.com/divergentdave/certificate_carver
[INFO] tweaked toml for git repo https://github.com/divergentdave/certificate_carver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/divergentdave/certificate_carver 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b01fadeee23164e174bc466ae06fdd800d9438de947b7b20423b6aba3fc0132d
[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" "b01fadeee23164e174bc466ae06fdd800d9438de947b7b20423b6aba3fc0132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01fadeee23164e174bc466ae06fdd800d9438de947b7b20423b6aba3fc0132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01fadeee23164e174bc466ae06fdd800d9438de947b7b20423b6aba3fc0132d", kill_on_drop: false }`
[INFO] [stdout] b01fadeee23164e174bc466ae06fdd800d9438de947b7b20423b6aba3fc0132d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e41f47b4668948bdd79a5b8b7c783805c075c5d773a305e2918e89ecec07c27a
[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" "e41f47b4668948bdd79a5b8b7c783805c075c5d773a305e2918e89ecec07c27a", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
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[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.5
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[INFO] [stderr]     Checking sled v0.28.0
[INFO] [stderr]     Checking certificate_carver v0.1.7-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `repeat_generic_slice` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> benches/carve.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(repeat_generic_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "e41f47b4668948bdd79a5b8b7c783805c075c5d773a305e2918e89ecec07c27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41f47b4668948bdd79a5b8b7c783805c075c5d773a305e2918e89ecec07c27a", kill_on_drop: false }`
[INFO] [stdout] e41f47b4668948bdd79a5b8b7c783805c075c5d773a305e2918e89ecec07c27a