[INFO] fetching crate waybackrust 0.2.9...
[INFO] checking waybackrust-0.2.9 against beta for pr-78714
[INFO] extracting crate waybackrust 0.2.9 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate waybackrust 0.2.9 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 crates.io crate waybackrust 0.2.9
[INFO] finished tweaking crates.io crate waybackrust 0.2.9
[INFO] tweaked toml for crates.io crate waybackrust 0.2.9 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate waybackrust 0.2.9 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf539cf5ddef953d64a6670fb9d6a48104d0bf68ef95022599bbd9dfb436648f
[INFO] running `Command { std: "docker" "start" "-a" "cf539cf5ddef953d64a6670fb9d6a48104d0bf68ef95022599bbd9dfb436648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf539cf5ddef953d64a6670fb9d6a48104d0bf68ef95022599bbd9dfb436648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf539cf5ddef953d64a6670fb9d6a48104d0bf68ef95022599bbd9dfb436648f", kill_on_drop: false }`
[INFO] [stdout] cf539cf5ddef953d64a6670fb9d6a48104d0bf68ef95022599bbd9dfb436648f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a15f40a64d05b8f6325c26595bfff91013f5fbb93e23738915235ac1ae5bc459
[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" "a15f40a64d05b8f6325c26595bfff91013f5fbb93e23738915235ac1ae5bc459", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling openssl-src v111.8.1+1.1.1f
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking waybackrust v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "a15f40a64d05b8f6325c26595bfff91013f5fbb93e23738915235ac1ae5bc459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15f40a64d05b8f6325c26595bfff91013f5fbb93e23738915235ac1ae5bc459", kill_on_drop: false }`
[INFO] [stdout] a15f40a64d05b8f6325c26595bfff91013f5fbb93e23738915235ac1ae5bc459