[INFO] cloning repository https://github.com/onur/at-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onur/at-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonur%2Fat-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonur%2Fat-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 275281522d3eafc747466ea29aac31f990ca05ec
[INFO] checking onur/at-rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonur%2Fat-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onur/at-rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onur/at-rust
[INFO] finished tweaking git repo https://github.com/onur/at-rust
[INFO] tweaked toml for git repo https://github.com/onur/at-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/onur/at-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rc v0.1.1
[INFO] [stderr]   Downloaded select v0.2.2
[INFO] [stderr]   Downloaded html5ever v0.2.11
[INFO] [stderr]   Downloaded irc v0.9.2
[INFO] [stderr]   Downloaded tendril v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74ce63e1b3ee27b92b7bf1f16bfd994729e8f7f9daaf45d4ac5ce5c155aea186
[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" "74ce63e1b3ee27b92b7bf1f16bfd994729e8f7f9daaf45d4ac5ce5c155aea186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74ce63e1b3ee27b92b7bf1f16bfd994729e8f7f9daaf45d4ac5ce5c155aea186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ce63e1b3ee27b92b7bf1f16bfd994729e8f7f9daaf45d4ac5ce5c155aea186", kill_on_drop: false }`
[INFO] [stdout] 74ce63e1b3ee27b92b7bf1f16bfd994729e8f7f9daaf45d4ac5ce5c155aea186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 5d8585381ebc8df0dc29d1f387126e1053158d44a9fcf892bfe473e8d689de89
[INFO] running `Command { std: "docker" "start" "-a" "5d8585381ebc8df0dc29d1f387126e1053158d44a9fcf892bfe473e8d689de89", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `openssl`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.7.17`
[INFO] [stderr]     ... which is depended on by `openssl v0.7.14`
[INFO] [stderr]     ... which is depended on by `cookie v0.2.5`
[INFO] [stderr]     ... which is depended on by `hyper v0.7.2`
[INFO] [stderr]     ... which is depended on by `at-rust v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.61`
[INFO] [stderr]     ... which is depended on by `openssl v0.10.33`
[INFO] [stderr]     ... which is depended on by `irc v0.9.2`
[INFO] [stderr]     ... which is depended on by `at-rust v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "5d8585381ebc8df0dc29d1f387126e1053158d44a9fcf892bfe473e8d689de89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8585381ebc8df0dc29d1f387126e1053158d44a9fcf892bfe473e8d689de89", kill_on_drop: false }`
[INFO] [stdout] 5d8585381ebc8df0dc29d1f387126e1053158d44a9fcf892bfe473e8d689de89