[INFO] fetching crate async-pop3 0.1.0...
[INFO] testing async-pop3-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate async-pop3 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-pop3 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-pop3 0.1.0
[INFO] finished tweaking crates.io crate async-pop3 0.1.0
[INFO] tweaked toml for crates.io crate async-pop3 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 2c1bbbc1ac634710fb18b74c9b7208ef9c1c1d7c9634b9bb81f1142b763e3c3f
[INFO] running `Command { std: "docker" "start" "-a" "2c1bbbc1ac634710fb18b74c9b7208ef9c1c1d7c9634b9bb81f1142b763e3c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1bbbc1ac634710fb18b74c9b7208ef9c1c1d7c9634b9bb81f1142b763e3c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1bbbc1ac634710fb18b74c9b7208ef9c1c1d7c9634b9bb81f1142b763e3c3f", kill_on_drop: false }`
[INFO] [stdout] 2c1bbbc1ac634710fb18b74c9b7208ef9c1c1d7c9634b9bb81f1142b763e3c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537d55adf3f49bf0ce8e3c1633ea30778387dcd7e40cc5c4a83ff0e5a9e59ea6
[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" "537d55adf3f49bf0ce8e3c1633ea30778387dcd7e40cc5c4a83ff0e5a9e59ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling async-pop3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.51s
[INFO] running `Command { std: "docker" "inspect" "537d55adf3f49bf0ce8e3c1633ea30778387dcd7e40cc5c4a83ff0e5a9e59ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537d55adf3f49bf0ce8e3c1633ea30778387dcd7e40cc5c4a83ff0e5a9e59ea6", kill_on_drop: false }`
[INFO] [stdout] 537d55adf3f49bf0ce8e3c1633ea30778387dcd7e40cc5c4a83ff0e5a9e59ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a64dfaf190c8e865d803a7e060c164be40b7e6c60f85041de60b8bfaa4df160
[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" "3a64dfaf190c8e865d803a7e060c164be40b7e6c60f85041de60b8bfaa4df160", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-pop3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "3a64dfaf190c8e865d803a7e060c164be40b7e6c60f85041de60b8bfaa4df160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a64dfaf190c8e865d803a7e060c164be40b7e6c60f85041de60b8bfaa4df160", kill_on_drop: false }`
[INFO] [stdout] 3a64dfaf190c8e865d803a7e060c164be40b7e6c60f85041de60b8bfaa4df160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dc7e59014de6cb3c36d2f43171acb6a12f7793b07382eb7e43a0bd55a7e382a
[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" "2dc7e59014de6cb3c36d2f43171acb6a12f7793b07382eb7e43a0bd55a7e382a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_pop3-175948c1a01370f3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-pop3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2dc7e59014de6cb3c36d2f43171acb6a12f7793b07382eb7e43a0bd55a7e382a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc7e59014de6cb3c36d2f43171acb6a12f7793b07382eb7e43a0bd55a7e382a", kill_on_drop: false }`
[INFO] [stdout] 2dc7e59014de6cb3c36d2f43171acb6a12f7793b07382eb7e43a0bd55a7e382a