[INFO] cloning repository https://github.com/zserik/crulz-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zserik/crulz-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fcrulz-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fcrulz-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3101353813365522353a18204ebecc42cb911235
[INFO] checking zserik/crulz-rs against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fcrulz-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zserik/crulz-rs on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zserik/crulz-rs
[INFO] finished tweaking git repo https://github.com/zserik/crulz-rs
[INFO] tweaked toml for git repo https://github.com/zserik/crulz-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/zserik/crulz-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan v0.11.1
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded gumdrop v0.8.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] 9c15496d3c639d5776cfaa6f339d0d787a4703e7109c50fbad752e82b1219385
[INFO] running `Command { std: "docker" "start" "-a" "9c15496d3c639d5776cfaa6f339d0d787a4703e7109c50fbad752e82b1219385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c15496d3c639d5776cfaa6f339d0d787a4703e7109c50fbad752e82b1219385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c15496d3c639d5776cfaa6f339d0d787a4703e7109c50fbad752e82b1219385", kill_on_drop: false }`
[INFO] [stdout] 9c15496d3c639d5776cfaa6f339d0d787a4703e7109c50fbad752e82b1219385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 058cfbf7058928cc820c3f06b27481a395e0ac9b58ad033239c49e3fa076c78d
[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" "058cfbf7058928cc820c3f06b27481a395e0ac9b58ad033239c49e3fa076c78d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking codespan v0.11.1
[INFO] [stderr]     Checking memmap2 v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atoi v0.4.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]     Checking readfilez v0.2.4
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking crulz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.97s
[INFO] running `Command { std: "docker" "inspect" "058cfbf7058928cc820c3f06b27481a395e0ac9b58ad033239c49e3fa076c78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058cfbf7058928cc820c3f06b27481a395e0ac9b58ad033239c49e3fa076c78d", kill_on_drop: false }`
[INFO] [stdout] 058cfbf7058928cc820c3f06b27481a395e0ac9b58ad033239c49e3fa076c78d