[INFO] fetching crate vopono 0.5.3...
[INFO] checking vopono-0.5.3 against beta for pr-78714
[INFO] extracting crate vopono 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vopono 0.5.3 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 vopono 0.5.3
[INFO] finished tweaking crates.io crate vopono 0.5.3
[INFO] tweaked toml for crates.io crate vopono 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vopono 0.5.3 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d57f556600ccd71ddcb1d66bad88124fe8cf7484a8b6e0a882254e7302bcdc25
[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" "d57f556600ccd71ddcb1d66bad88124fe8cf7484a8b6e0a882254e7302bcdc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57f556600ccd71ddcb1d66bad88124fe8cf7484a8b6e0a882254e7302bcdc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57f556600ccd71ddcb1d66bad88124fe8cf7484a8b6e0a882254e7302bcdc25", kill_on_drop: false }`
[INFO] [stdout] d57f556600ccd71ddcb1d66bad88124fe8cf7484a8b6e0a882254e7302bcdc25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4bb4abd46e3f3283206352ad6b1b678a52597a432639116d0cb9c75aeef0bd74
[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" "4bb4abd46e3f3283206352ad6b1b678a52597a432639116d0cb9c75aeef0bd74", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling sysinfo v0.15.3
[INFO] [stderr]     Checking compound_duration v1.2.0
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking basic_tcp_proxy v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking directories-next v1.0.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking vopono v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "4bb4abd46e3f3283206352ad6b1b678a52597a432639116d0cb9c75aeef0bd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb4abd46e3f3283206352ad6b1b678a52597a432639116d0cb9c75aeef0bd74", kill_on_drop: false }`
[INFO] [stdout] 4bb4abd46e3f3283206352ad6b1b678a52597a432639116d0cb9c75aeef0bd74