[INFO] fetching crate anu 1.0.0-alpha...
[INFO] checking anu-1.0.0-alpha against beta for pr-78714
[INFO] extracting crate anu 1.0.0-alpha into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate anu 1.0.0-alpha 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 anu 1.0.0-alpha
[INFO] finished tweaking crates.io crate anu 1.0.0-alpha
[INFO] tweaked toml for crates.io crate anu 1.0.0-alpha written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate anu 1.0.0-alpha 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2475c6aa44431498d526c7b557832fc8df8f1371ea0b7842e9e89c332417334e
[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" "2475c6aa44431498d526c7b557832fc8df8f1371ea0b7842e9e89c332417334e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2475c6aa44431498d526c7b557832fc8df8f1371ea0b7842e9e89c332417334e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2475c6aa44431498d526c7b557832fc8df8f1371ea0b7842e9e89c332417334e", kill_on_drop: false }`
[INFO] [stdout] 2475c6aa44431498d526c7b557832fc8df8f1371ea0b7842e9e89c332417334e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0852020f6cd3a160789a30b8a3c97c3cd83d8a21b2307c08fb0d5fdb86164943
[INFO] running `Command { std: "docker" "start" "-a" "0852020f6cd3a160789a30b8a3c97c3cd83d8a21b2307c08fb0d5fdb86164943", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking diffs v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling thrussh-libsodium v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking edit v0.1.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking cryptovec v0.5.3
[INFO] [stderr]     Checking sanakirja v0.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling anu-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]    Compiling zstd-seekable v0.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking thrussh-keys v0.18.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking thrussh v0.29.0
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking libanu v1.0.0-alpha
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking anu v1.0.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "0852020f6cd3a160789a30b8a3c97c3cd83d8a21b2307c08fb0d5fdb86164943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0852020f6cd3a160789a30b8a3c97c3cd83d8a21b2307c08fb0d5fdb86164943", kill_on_drop: false }`
[INFO] [stdout] 0852020f6cd3a160789a30b8a3c97c3cd83d8a21b2307c08fb0d5fdb86164943