[INFO] fetching crate self_update 0.20.0...
[INFO] checking self_update-0.20.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate self_update 0.20.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate self_update 0.20.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate self_update 0.20.0
[INFO] finished tweaking crates.io crate self_update 0.20.0
[INFO] tweaked toml for crates.io crate self_update 0.20.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate self_update 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-tls v0.4.1
[INFO] [stderr]   Downloaded tokio-rustls v0.12.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.7
[INFO] [stderr]   Downloaded rustls-native-certs v0.1.0
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded hyper-rustls v0.19.1
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded podio v0.1.6
[INFO] [stderr]   Downloaded hyper-old-types v0.11.0
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded zip v0.5.4
[INFO] [stderr]   Downloaded reqwest v0.10.1
[INFO] [stderr]   Downloaded pin-project v0.4.7
[INFO] [stderr]   Downloaded tokio v0.2.10
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded bzip2-sys v0.1.7
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cecfc1bbf8c046ccf5b2c7691fffeeaaad6f2dd8499a4bbe3b968eec348436b7
[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" "cecfc1bbf8c046ccf5b2c7691fffeeaaad6f2dd8499a4bbe3b968eec348436b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cecfc1bbf8c046ccf5b2c7691fffeeaaad6f2dd8499a4bbe3b968eec348436b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecfc1bbf8c046ccf5b2c7691fffeeaaad6f2dd8499a4bbe3b968eec348436b7", kill_on_drop: false }`
[INFO] [stdout] cecfc1bbf8c046ccf5b2c7691fffeeaaad6f2dd8499a4bbe3b968eec348436b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7549f93bbcf9d01c9ad9bbe2ab67fca7112e66df82faddcf415dd2a22efa5965
[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" "7549f93bbcf9d01c9ad9bbe2ab67fca7112e66df82faddcf415dd2a22efa5965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling self_update v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.38s
[INFO] running `Command { std: "docker" "inspect" "7549f93bbcf9d01c9ad9bbe2ab67fca7112e66df82faddcf415dd2a22efa5965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7549f93bbcf9d01c9ad9bbe2ab67fca7112e66df82faddcf415dd2a22efa5965", kill_on_drop: false }`
[INFO] [stdout] 7549f93bbcf9d01c9ad9bbe2ab67fca7112e66df82faddcf415dd2a22efa5965