[INFO] fetching crate distant-ssh2 0.20.0...
[INFO] checking distant-ssh2-0.20.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate distant-ssh2 0.20.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate distant-ssh2 0.20.0 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 crates.io crate distant-ssh2 0.20.0
[INFO] finished tweaking crates.io crate distant-ssh2 0.20.0
[INFO] tweaked toml for crates.io crate distant-ssh2 0.20.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 275 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-fs v1.6.0 (latest: v2.1.1)
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[INFO] [stderr]       Adding async-net v1.8.0 (latest: v2.0.0)
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[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
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[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
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[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
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[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding ioctl-rs v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding libssh-rs v0.1.8 (latest: v0.2.2)
[INFO] [stderr]       Adding libssh-rs-sys v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
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[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
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[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.32)
[INFO] [stderr]       Adding smol v1.3.0 (latest: v2.0.0)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
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[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
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[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winsplit v0.1.0
[INFO] [stderr]   Downloaded portable-pty v0.7.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded ssh2 v0.9.4
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded rpassword v7.3.1
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded distant-auth v0.20.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded globwalk v0.9.1
[INFO] [stderr]   Downloaded assert_fs v1.1.1
[INFO] [stderr]   Downloaded rstest_macros v0.17.0
[INFO] [stderr]   Downloaded distant-net v0.20.0
[INFO] [stderr]   Downloaded bstr v0.1.4
[INFO] [stderr]   Downloaded libssh2-sys v0.3.0
[INFO] [stderr]   Downloaded typed-path v0.3.2
[INFO] [stderr]   Downloaded libssh-rs-sys v0.1.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.71
[INFO] [stderr]   Downloaded async-compat v0.2.3
[INFO] [stderr]   Downloaded async-once-cell v0.5.3
[INFO] [stderr]   Downloaded rmp v0.8.12
[INFO] [stderr]   Downloaded rmp-serde v1.1.2
[INFO] [stderr]   Downloaded const-str v0.5.7
[INFO] [stderr]   Downloaded distant-protocol v0.20.0
[INFO] [stderr]   Downloaded distant-core v0.20.0
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded rtoolbox v0.0.2
[INFO] [stderr]   Downloaded rstest v0.17.0
[INFO] [stderr]   Downloaded filedescriptor v0.8.2
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded filenamegen v0.2.4
[INFO] [stderr]   Downloaded wezterm-ssh v0.4.0
[INFO] [stderr]   Downloaded libssh-rs v0.1.8
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eda194620681bb4b56854bc58529c3fbe7b5032c13accef8337153a7d147cbc0
[INFO] running `Command { std: "docker" "start" "-a" "eda194620681bb4b56854bc58529c3fbe7b5032c13accef8337153a7d147cbc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda194620681bb4b56854bc58529c3fbe7b5032c13accef8337153a7d147cbc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda194620681bb4b56854bc58529c3fbe7b5032c13accef8337153a7d147cbc0", kill_on_drop: false }`
[INFO] [stdout] eda194620681bb4b56854bc58529c3fbe7b5032c13accef8337153a7d147cbc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c2630a0dbf2f914874060cfadfef7ca5012b4058d1066fa375f1ccca469c6bae
[INFO] running `Command { std: "docker" "start" "-a" "c2630a0dbf2f914874060cfadfef7ca5012b4058d1066fa375f1ccca469c6bae", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking subtle v2.5.0
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[INFO] [stderr]    Compiling rustix v0.38.32
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[INFO] [stderr]    Compiling openssl-src v300.2.3+3.2.1
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[INFO] [stderr]    Compiling libz-sys v1.1.16
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[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking io-lifetimes v1.0.11
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[INFO] [stderr]     Checking generic-array v0.14.7
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[INFO] [stderr]    Compiling async-io v1.13.0
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[INFO] [stderr]    Compiling openssl-sys v0.9.71
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[INFO] [stderr]    Compiling parking_lot_core v0.8.6
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[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]     Checking serial-core v0.4.0
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[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]    Compiling libssh-rs-sys v0.1.3
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[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]     Checking rpassword v7.3.1
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[INFO] [stderr]     Checking futures-timer v3.0.3
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[INFO] [stderr]     Checking ecdsa v0.16.9
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[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking globwalk v0.9.1
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[INFO] [stderr]     Checking async-process v1.8.1
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[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking distant-auth v0.20.0
[INFO] [stderr]     Checking distant-protocol v0.20.0
[INFO] [stderr]     Checking rstest v0.17.0
[INFO] [stderr]     Checking distant-net v0.20.0
[INFO] [stderr]     Checking distant-core v0.20.0
[INFO] [stderr]     Checking ssh2 v0.9.4
[INFO] [stderr]     Checking libssh-rs v0.1.8
[INFO] [stderr]     Checking wezterm-ssh v0.4.0
[INFO] [stderr]     Checking distant-ssh2 v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `sshd` is never read
[INFO] [stdout]   --> tests/sshd/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Ctx<T> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub sshd: Sshd,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "c2630a0dbf2f914874060cfadfef7ca5012b4058d1066fa375f1ccca469c6bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2630a0dbf2f914874060cfadfef7ca5012b4058d1066fa375f1ccca469c6bae", kill_on_drop: false }`
[INFO] [stdout] c2630a0dbf2f914874060cfadfef7ca5012b4058d1066fa375f1ccca469c6bae
[INFO] checking distant-ssh2-0.20.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate distant-ssh2 0.20.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate distant-ssh2 0.20.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate distant-ssh2 0.20.0
[INFO] finished tweaking crates.io crate distant-ssh2 0.20.0
[INFO] tweaked toml for crates.io crate distant-ssh2 0.20.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 275 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
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[INFO] [stderr]       Adding ioctl-rs v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding libssh-rs v0.1.8 (latest: v0.2.2)
[INFO] [stderr]       Adding libssh-rs-sys v0.1.3 (latest: v0.2.2)
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[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
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[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020562ab9e9f4391b0884aa3868d5ba7c7ac681de4bd7972d54fbfaa6260c722
[INFO] running `Command { std: "docker" "start" "-a" "020562ab9e9f4391b0884aa3868d5ba7c7ac681de4bd7972d54fbfaa6260c722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020562ab9e9f4391b0884aa3868d5ba7c7ac681de4bd7972d54fbfaa6260c722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020562ab9e9f4391b0884aa3868d5ba7c7ac681de4bd7972d54fbfaa6260c722", kill_on_drop: false }`
[INFO] [stdout] 020562ab9e9f4391b0884aa3868d5ba7c7ac681de4bd7972d54fbfaa6260c722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772e44cf368653fb291fd4f23eae29f52e98fca4854616dca79691a2f621e3ba
[INFO] running `Command { std: "docker" "start" "-a" "772e44cf368653fb291fd4f23eae29f52e98fca4854616dca79691a2f621e3ba", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.7.0
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[INFO] [stderr]     Checking subtle v2.5.0
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[INFO] [stderr]    Compiling openssl-src v300.2.3+3.2.1
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[INFO] [stderr]     Checking futures-lite v2.3.0
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[INFO] [stderr]    Compiling rustix v0.37.27
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[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking distant-auth v0.20.0
[INFO] [stderr]     Checking distant-protocol v0.20.0
[INFO] [stderr]     Checking rstest v0.17.0
[INFO] [stderr]     Checking distant-net v0.20.0
[INFO] [stderr]     Checking distant-core v0.20.0
[INFO] [stderr]     Checking ssh2 v0.9.4
[INFO] [stderr]     Checking libssh-rs v0.1.8
[INFO] [stderr]     Checking wezterm-ssh v0.4.0
[INFO] [stderr]     Checking distant-ssh2 v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `sshd` is never read
[INFO] [stdout]   --> tests/sshd/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Ctx<T> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub sshd: Sshd,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "772e44cf368653fb291fd4f23eae29f52e98fca4854616dca79691a2f621e3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772e44cf368653fb291fd4f23eae29f52e98fca4854616dca79691a2f621e3ba", kill_on_drop: false }`
[INFO] [stdout] 772e44cf368653fb291fd4f23eae29f52e98fca4854616dca79691a2f621e3ba