[INFO] fetching crate librarian 0.2.3...
[INFO] checking librarian-0.2.3 against beta for pr-78714
[INFO] extracting crate librarian 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate librarian 0.2.3 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 librarian 0.2.3
[INFO] finished tweaking crates.io crate librarian 0.2.3
[INFO] tweaked toml for crates.io crate librarian 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded circular v0.3.0
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded pretty-hex v0.1.1
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] [stderr]   Downloaded positioned-io v0.2.2
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.2
[INFO] [stderr]   Downloaded security-framework v2.0.0
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded csv v1.1.4
[INFO] [stderr]   Downloaded encoding_rs v0.8.26
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded core-foundation v0.9.1
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded rc-zip v0.0.1
[INFO] [stderr]   Downloaded hyper v0.13.9
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] [stderr]   Downloaded security-framework-sys v2.0.0
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1fab281f97fe9ec688f594f96f4be1511ca90e1da9aeb8a97fd9a69d11c86600
[INFO] running `Command { std: "docker" "start" "-a" "1fab281f97fe9ec688f594f96f4be1511ca90e1da9aeb8a97fd9a69d11c86600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fab281f97fe9ec688f594f96f4be1511ca90e1da9aeb8a97fd9a69d11c86600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fab281f97fe9ec688f594f96f4be1511ca90e1da9aeb8a97fd9a69d11c86600", kill_on_drop: false }`
[INFO] [stdout] 1fab281f97fe9ec688f594f96f4be1511ca90e1da9aeb8a97fd9a69d11c86600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 948dc29d690d20590930b24409603595a7b519bdfd1192775ddbdc572c557128
[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" "948dc29d690d20590930b24409603595a7b519bdfd1192775ddbdc572c557128", kill_on_drop: false }`
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking positioned-io v0.2.2
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling csv v1.1.4
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking rc-zip v0.0.1
[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 librarian v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.24s
[INFO] running `Command { std: "docker" "inspect" "948dc29d690d20590930b24409603595a7b519bdfd1192775ddbdc572c557128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948dc29d690d20590930b24409603595a7b519bdfd1192775ddbdc572c557128", kill_on_drop: false }`
[INFO] [stdout] 948dc29d690d20590930b24409603595a7b519bdfd1192775ddbdc572c557128