[INFO] fetching crate rudolfs 0.2.11...
[INFO] checking rudolfs-0.2.11 against beta for pr-78714
[INFO] extracting crate rudolfs 0.2.11 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rudolfs 0.2.11 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 rudolfs 0.2.11
[INFO] finished tweaking crates.io crate rudolfs 0.2.11
[INFO] tweaked toml for crates.io crate rudolfs 0.2.11 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate rudolfs 0.2.11 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 61ffd346b2508a696ff0573831ec17121d3cc0363ce3f0b1cf8170ceb1e420e0
[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" "61ffd346b2508a696ff0573831ec17121d3cc0363ce3f0b1cf8170ceb1e420e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61ffd346b2508a696ff0573831ec17121d3cc0363ce3f0b1cf8170ceb1e420e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ffd346b2508a696ff0573831ec17121d3cc0363ce3f0b1cf8170ceb1e420e0", kill_on_drop: false }`
[INFO] [stdout] 61ffd346b2508a696ff0573831ec17121d3cc0363ce3f0b1cf8170ceb1e420e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97364dbb065697511968fccbf7145fb0703e35d0e08415edea84cc901310a51e
[INFO] running `Command { std: "docker" "start" "-a" "97364dbb065697511968fccbf7145fb0703e35d0e08415edea84cc901310a51e", kill_on_drop: false }`
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking keystream v1.0.0
[INFO] [stderr]     Checking human-size v0.4.1
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling rusoto_core v0.44.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking chacha v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_test v1.0.116
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking askama_shared v0.8.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking tokio-compat v0.1.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking rusoto_credential v0.44.0
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking rusoto_signature v0.44.0
[INFO] [stderr]     Checking rusoto_s3 v0.44.0
[INFO] [stderr]     Checking rudolfs v0.2.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.63s
[INFO] running `Command { std: "docker" "inspect" "97364dbb065697511968fccbf7145fb0703e35d0e08415edea84cc901310a51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97364dbb065697511968fccbf7145fb0703e35d0e08415edea84cc901310a51e", kill_on_drop: false }`
[INFO] [stdout] 97364dbb065697511968fccbf7145fb0703e35d0e08415edea84cc901310a51e