[INFO] cloning repository https://github.com/safe-k/nugmail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/safe-k/nugmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c76be50774a5277e015e597a9318f9dc63245e0
[INFO] testing safe-k/nugmail against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/safe-k/nugmail on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/safe-k/nugmail
[INFO] finished tweaking git repo https://github.com/safe-k/nugmail
[INFO] tweaked toml for git repo https://github.com/safe-k/nugmail written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/safe-k/nugmail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded isahc v0.9.1
[INFO] [stderr]   Downloaded console v0.10.0
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded curl v0.4.28
[INFO] [stderr]   Downloaded dialoguer v0.5.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.54
[INFO] [stderr]   Downloaded sluice v0.5.2
[INFO] [stderr]   Downloaded vcpkg v0.2.8
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.3
[INFO] [stderr]   Downloaded curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f6fec4744ec80b939c48abc0406caccf16b6df4cdba183c6fa583d919a3a88
[INFO] running `Command { std: "docker" "start" "-a" "02f6fec4744ec80b939c48abc0406caccf16b6df4cdba183c6fa583d919a3a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f6fec4744ec80b939c48abc0406caccf16b6df4cdba183c6fa583d919a3a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f6fec4744ec80b939c48abc0406caccf16b6df4cdba183c6fa583d919a3a88", kill_on_drop: false }`
[INFO] [stdout] 02f6fec4744ec80b939c48abc0406caccf16b6df4cdba183c6fa583d919a3a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc223b38a68aa7d9eb33bcfe1d9772c880d584dfb35f0daeee30f1a53b414721
[INFO] running `Command { std: "docker" "start" "-a" "dc223b38a68aa7d9eb33bcfe1d9772c880d584dfb35f0daeee30f1a53b414721", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling isahc v0.9.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rusqlite v0.21.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling sluice v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dialoguer v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling nugmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]    --> src/email.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Inbox {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 107 |     owner: Address,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `Inbox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.54s
[INFO] running `Command { std: "docker" "inspect" "dc223b38a68aa7d9eb33bcfe1d9772c880d584dfb35f0daeee30f1a53b414721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc223b38a68aa7d9eb33bcfe1d9772c880d584dfb35f0daeee30f1a53b414721", kill_on_drop: false }`
[INFO] [stdout] dc223b38a68aa7d9eb33bcfe1d9772c880d584dfb35f0daeee30f1a53b414721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f03fb715e47a1b9bb682bba6cca4db1af0289892a97fc3abdf63a3de6b67e937
[INFO] running `Command { std: "docker" "start" "-a" "f03fb715e47a1b9bb682bba6cca4db1af0289892a97fc3abdf63a3de6b67e937", kill_on_drop: false }`
[INFO] [stderr]    Compiling nugmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]    --> src/email.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Inbox {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 107 |     owner: Address,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `Inbox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]    --> src/email.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Inbox {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 107 |     owner: Address,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `Inbox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "f03fb715e47a1b9bb682bba6cca4db1af0289892a97fc3abdf63a3de6b67e937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03fb715e47a1b9bb682bba6cca4db1af0289892a97fc3abdf63a3de6b67e937", kill_on_drop: false }`
[INFO] [stdout] f03fb715e47a1b9bb682bba6cca4db1af0289892a97fc3abdf63a3de6b67e937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1de497a9463267c4ed53cb33469f14058d41df79f1df2b2c38e72f4e5637b38
[INFO] running `Command { std: "docker" "start" "-a" "b1de497a9463267c4ed53cb33469f14058d41df79f1df2b2c38e72f4e5637b38", kill_on_drop: false }`
[INFO] [stderr] warning: field `owner` is never read
[INFO] [stderr]    --> src/email.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub struct Inbox {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 107 |     owner: Address,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: `Inbox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `nugmail` (lib) generated 1 warning
[INFO] [stderr] warning: `nugmail` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nugmail-9219ae3b47eece14)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nugmail-7a48ff3a0de887ea)
[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 nugmail
[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" "b1de497a9463267c4ed53cb33469f14058d41df79f1df2b2c38e72f4e5637b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1de497a9463267c4ed53cb33469f14058d41df79f1df2b2c38e72f4e5637b38", kill_on_drop: false }`
[INFO] [stdout] b1de497a9463267c4ed53cb33469f14058d41df79f1df2b2c38e72f4e5637b38