[INFO] cloning repository https://github.com/Phantom217/grab-xkcd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phantom217/grab-xkcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantom217%2Fgrab-xkcd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantom217%2Fgrab-xkcd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad7f0095c8da71a9c15592910f34e8dfb1e0e9e8
[INFO] checking Phantom217/grab-xkcd against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantom217%2Fgrab-xkcd" "/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/Phantom217/grab-xkcd on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Phantom217/grab-xkcd
[INFO] finished tweaking git repo https://github.com/Phantom217/grab-xkcd
[INFO] tweaked toml for git repo https://github.com/Phantom217/grab-xkcd written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Phantom217/grab-xkcd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.5
[INFO] [stderr]   Downloaded openssl v0.10.29
[INFO] [stderr]   Downloaded os_str_bytes v2.3.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.17
[INFO] [stderr]   Downloaded pin-project v0.4.17
[INFO] [stderr]   Downloaded syn v1.0.28
[INFO] [stderr]   Downloaded openssl-sys v0.9.57
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded base64 v0.12.1
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c40f66cc7351bd4a76fb9a5deefbb9fb4cc4914c3985a6b60221c325df83e6b
[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" "3c40f66cc7351bd4a76fb9a5deefbb9fb4cc4914c3985a6b60221c325df83e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c40f66cc7351bd4a76fb9a5deefbb9fb4cc4914c3985a6b60221c325df83e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c40f66cc7351bd4a76fb9a5deefbb9fb4cc4914c3985a6b60221c325df83e6b", kill_on_drop: false }`
[INFO] [stdout] 3c40f66cc7351bd4a76fb9a5deefbb9fb4cc4914c3985a6b60221c325df83e6b
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c6b9cf81260b647b5fd2ab0acf211e780bc6181977d7966a54802d95efbf13
[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" "57c6b9cf81260b647b5fd2ab0acf211e780bc6181977d7966a54802d95efbf13", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.28
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking grab-xkcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.71s
[INFO] running `Command { std: "docker" "inspect" "57c6b9cf81260b647b5fd2ab0acf211e780bc6181977d7966a54802d95efbf13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c6b9cf81260b647b5fd2ab0acf211e780bc6181977d7966a54802d95efbf13", kill_on_drop: false }`
[INFO] [stdout] 57c6b9cf81260b647b5fd2ab0acf211e780bc6181977d7966a54802d95efbf13