[INFO] fetching crate async-smtp 0.4.0...
[INFO] checking async-smtp-0.4.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate async-smtp 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-smtp 0.4.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-smtp 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-smtp 0.4.0
[INFO] tweaked toml for crates.io crate async-smtp 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate async-smtp 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca0d53ddb940ba0d2b878d4feba6b736d2ffdab5ed47fea7fec380206572f27e
[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" "ca0d53ddb940ba0d2b878d4feba6b736d2ffdab5ed47fea7fec380206572f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0d53ddb940ba0d2b878d4feba6b736d2ffdab5ed47fea7fec380206572f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0d53ddb940ba0d2b878d4feba6b736d2ffdab5ed47fea7fec380206572f27e", kill_on_drop: false }`
[INFO] [stdout] ca0d53ddb940ba0d2b878d4feba6b736d2ffdab5ed47fea7fec380206572f27e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c12db3cdd8753f11cd249926a8020ac41de53c4d6325d80be1ef663ab67c10
[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" "09c12db3cdd8753f11cd249926a8020ac41de53c4d6325d80be1ef663ab67c10", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.125
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking serde_cbor v0.11.1
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling async-attributes v1.1.2
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[INFO] [stderr]     Checking async-global-executor v2.0.2
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[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking async-smtp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `Command { std: "docker" "inspect" "09c12db3cdd8753f11cd249926a8020ac41de53c4d6325d80be1ef663ab67c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c12db3cdd8753f11cd249926a8020ac41de53c4d6325d80be1ef663ab67c10", kill_on_drop: false }`
[INFO] [stdout] 09c12db3cdd8753f11cd249926a8020ac41de53c4d6325d80be1ef663ab67c10