[INFO] cloning repository https://github.com/Lutetium-Vanadium/cargo-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lutetium-Vanadium/cargo-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLutetium-Vanadium%2Fcargo-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLutetium-Vanadium%2Fcargo-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb714a00a5bc0d7d54eff9b91151241dfe3457ab
[INFO] checking Lutetium-Vanadium/cargo-playground against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLutetium-Vanadium%2Fcargo-playground" "/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/Lutetium-Vanadium/cargo-playground on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lutetium-Vanadium/cargo-playground
[INFO] finished tweaking git repo https://github.com/Lutetium-Vanadium/cargo-playground
[INFO] tweaked toml for git repo https://github.com/Lutetium-Vanadium/cargo-playground written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Lutetium-Vanadium/cargo-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded embed-resource v1.6.1
[INFO] [stderr]   Downloaded watchexec v1.14.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6edda6087cd229e6ab6bbb2a73106c4d1bc6da16191f4bd7f201b64d39925bb
[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" "c6edda6087cd229e6ab6bbb2a73106c4d1bc6da16191f4bd7f201b64d39925bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6edda6087cd229e6ab6bbb2a73106c4d1bc6da16191f4bd7f201b64d39925bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6edda6087cd229e6ab6bbb2a73106c4d1bc6da16191f4bd7f201b64d39925bb", kill_on_drop: false }`
[INFO] [stdout] c6edda6087cd229e6ab6bbb2a73106c4d1bc6da16191f4bd7f201b64d39925bb
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 60a6d10c4ba1f3fdd77a389f95cea1ae96b5d0894446364c86713b48335f6946
[INFO] running `Command { std: "docker" "start" "-a" "60a6d10c4ba1f3fdd77a389f95cea1ae96b5d0894446364c86713b48335f6946", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling embed-resource v1.6.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling watchexec v1.14.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking cargo-playground v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.30s
[INFO] running `Command { std: "docker" "inspect" "60a6d10c4ba1f3fdd77a389f95cea1ae96b5d0894446364c86713b48335f6946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a6d10c4ba1f3fdd77a389f95cea1ae96b5d0894446364c86713b48335f6946", kill_on_drop: false }`
[INFO] [stdout] 60a6d10c4ba1f3fdd77a389f95cea1ae96b5d0894446364c86713b48335f6946