[INFO] fetching crate rebuildctl 0.6.0...
[INFO] checking rebuildctl-0.6.0 against beta for pr-78714
[INFO] extracting crate rebuildctl 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rebuildctl 0.6.0 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 rebuildctl 0.6.0
[INFO] finished tweaking crates.io crate rebuildctl 0.6.0
[INFO] tweaked toml for crates.io crate rebuildctl 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rebuildctl 0.6.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4e82605fa2d489f621395c9050c26072e4f5bc9195779ae0993b383ca1bc92ad
[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" "4e82605fa2d489f621395c9050c26072e4f5bc9195779ae0993b383ca1bc92ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e82605fa2d489f621395c9050c26072e4f5bc9195779ae0993b383ca1bc92ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e82605fa2d489f621395c9050c26072e4f5bc9195779ae0993b383ca1bc92ad", kill_on_drop: false }`
[INFO] [stdout] 4e82605fa2d489f621395c9050c26072e4f5bc9195779ae0993b383ca1bc92ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5dd27ca8e8ad4e83f18710b8228c93a6ab1b8b99f25454a18ad6d18b15c1ba0d
[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" "5dd27ca8e8ad4e83f18710b8228c93a6ab1b8b99f25454a18ad6d18b15c1ba0d", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.5
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking base64-serde v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking rebuilderd-common v0.6.0
[INFO] [stderr]     Checking rebuildctl v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.07s
[INFO] running `Command { std: "docker" "inspect" "5dd27ca8e8ad4e83f18710b8228c93a6ab1b8b99f25454a18ad6d18b15c1ba0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd27ca8e8ad4e83f18710b8228c93a6ab1b8b99f25454a18ad6d18b15c1ba0d", kill_on_drop: false }`
[INFO] [stdout] 5dd27ca8e8ad4e83f18710b8228c93a6ab1b8b99f25454a18ad6d18b15c1ba0d