[INFO] cloning repository https://github.com/maciejhirsz/ramhorns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciejhirsz/ramhorns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejhirsz%2Framhorns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejhirsz%2Framhorns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9d8ad88a6d93c55eb5100c81ff25c41f327350c
[INFO] checking maciejhirsz/ramhorns against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejhirsz%2Framhorns" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maciejhirsz/ramhorns on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maciejhirsz/ramhorns
[INFO] finished tweaking git repo https://github.com/maciejhirsz/ramhorns
[INFO] tweaked toml for git repo https://github.com/maciejhirsz/ramhorns written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/maciejhirsz/ramhorns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 68962882f870318b85379b8d398d8b65776bf06ef2000bd6872ab05933c9f88e
[INFO] running `Command { std: "docker" "start" "-a" "68962882f870318b85379b8d398d8b65776bf06ef2000bd6872ab05933c9f88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68962882f870318b85379b8d398d8b65776bf06ef2000bd6872ab05933c9f88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68962882f870318b85379b8d398d8b65776bf06ef2000bd6872ab05933c9f88e", kill_on_drop: false }`
[INFO] [stdout] 68962882f870318b85379b8d398d8b65776bf06ef2000bd6872ab05933c9f88e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b75b72e954a82bb0386ebd9b934920a75e7e504e96a641517be05d7660a40d5
[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" "4b75b72e954a82bb0386ebd9b934920a75e7e504e96a641517be05d7660a40d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking globset v0.4.7
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking ramhorns-derive v0.12.0 (/opt/rustwide/workdir/ramhorns-derive)
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling ramhorns-derive v0.11.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking ramhorns v0.12.0 (/opt/rustwide/workdir/ramhorns)
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]     Checking handlebars v3.5.5
[INFO] [stderr]     Checking tera v1.11.0
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]     Checking tests v0.0.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.27s
[INFO] running `Command { std: "docker" "inspect" "4b75b72e954a82bb0386ebd9b934920a75e7e504e96a641517be05d7660a40d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b75b72e954a82bb0386ebd9b934920a75e7e504e96a641517be05d7660a40d5", kill_on_drop: false }`
[INFO] [stdout] 4b75b72e954a82bb0386ebd9b934920a75e7e504e96a641517be05d7660a40d5