[INFO] cloning repository https://github.com/Joelrodiel/baby-ftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joelrodiel/baby-ftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelrodiel%2Fbaby-ftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelrodiel%2Fbaby-ftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a27545050cb3ad3ac77a1856fbba7d4d86bd01a
[INFO] checking Joelrodiel/baby-ftp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelrodiel%2Fbaby-ftp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joelrodiel/baby-ftp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joelrodiel/baby-ftp
[INFO] finished tweaking git repo https://github.com/Joelrodiel/baby-ftp
[INFO] tweaked toml for git repo https://github.com/Joelrodiel/baby-ftp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Joelrodiel/baby-ftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8860561a84bea9a4b00912dff27995a8a0f3760902ea7460d86e21dde8d58b27
[INFO] running `Command { std: "docker" "start" "-a" "8860561a84bea9a4b00912dff27995a8a0f3760902ea7460d86e21dde8d58b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8860561a84bea9a4b00912dff27995a8a0f3760902ea7460d86e21dde8d58b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8860561a84bea9a4b00912dff27995a8a0f3760902ea7460d86e21dde8d58b27", kill_on_drop: false }`
[INFO] [stdout] 8860561a84bea9a4b00912dff27995a8a0f3760902ea7460d86e21dde8d58b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eebdcbba18199d7f74c1b4ff87bc7e3802f7a7184ea205d9a1ab9a3ad6a3522
[INFO] running `Command { std: "docker" "start" "-a" "8eebdcbba18199d7f74c1b4ff87bc7e3802f7a7184ea205d9a1ab9a3ad6a3522", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking baby_ftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_data_up` is never read
[INFO] [stdout]    --> src/ftp.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct ConnectionInfo {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub is_data_up: bool,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connect_mode` is never read
[INFO] [stdout]    --> src/ftp.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct ClientInfo {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 145 |     pub server_name: String,
[INFO] [stdout] 146 |     pub connect_mode: FTPModes,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_data_up` is never read
[INFO] [stdout]    --> src/ftp.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct ConnectionInfo {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub is_data_up: bool,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connect_mode` is never read
[INFO] [stdout]    --> src/ftp.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct ClientInfo {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 145 |     pub server_name: String,
[INFO] [stdout] 146 |     pub connect_mode: FTPModes,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "8eebdcbba18199d7f74c1b4ff87bc7e3802f7a7184ea205d9a1ab9a3ad6a3522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eebdcbba18199d7f74c1b4ff87bc7e3802f7a7184ea205d9a1ab9a3ad6a3522", kill_on_drop: false }`
[INFO] [stdout] 8eebdcbba18199d7f74c1b4ff87bc7e3802f7a7184ea205d9a1ab9a3ad6a3522
[INFO] checking Joelrodiel/baby-ftp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelrodiel%2Fbaby-ftp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joelrodiel/baby-ftp on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joelrodiel/baby-ftp
[INFO] finished tweaking git repo https://github.com/Joelrodiel/baby-ftp
[INFO] tweaked toml for git repo https://github.com/Joelrodiel/baby-ftp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Joelrodiel/baby-ftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb7c846404311c5dde1d7d6e1a577f6b47925ec412e4ec69f9b9166d3debf800
[INFO] running `Command { std: "docker" "start" "-a" "cb7c846404311c5dde1d7d6e1a577f6b47925ec412e4ec69f9b9166d3debf800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb7c846404311c5dde1d7d6e1a577f6b47925ec412e4ec69f9b9166d3debf800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7c846404311c5dde1d7d6e1a577f6b47925ec412e4ec69f9b9166d3debf800", kill_on_drop: false }`
[INFO] [stdout] cb7c846404311c5dde1d7d6e1a577f6b47925ec412e4ec69f9b9166d3debf800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19385c020fc5400ab1621f415c7c4e46462bc90dcb105f7ab2a64a1f1a617cb
[INFO] running `Command { std: "docker" "start" "-a" "d19385c020fc5400ab1621f415c7c4e46462bc90dcb105f7ab2a64a1f1a617cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking baby_ftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_data_up` is never read
[INFO] [stdout]    --> src/ftp.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct ConnectionInfo {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub is_data_up: bool,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connect_mode` is never read
[INFO] [stdout]    --> src/ftp.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct ClientInfo {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 145 |     pub server_name: String,
[INFO] [stdout] 146 |     pub connect_mode: FTPModes,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_data_up` is never read
[INFO] [stdout]    --> src/ftp.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct ConnectionInfo {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub is_data_up: bool,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connect_mode` is never read
[INFO] [stdout]    --> src/ftp.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct ClientInfo {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 145 |     pub server_name: String,
[INFO] [stdout] 146 |     pub connect_mode: FTPModes,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "d19385c020fc5400ab1621f415c7c4e46462bc90dcb105f7ab2a64a1f1a617cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19385c020fc5400ab1621f415c7c4e46462bc90dcb105f7ab2a64a1f1a617cb", kill_on_drop: false }`
[INFO] [stdout] d19385c020fc5400ab1621f415c7c4e46462bc90dcb105f7ab2a64a1f1a617cb