[INFO] fetching crate ssh_cfg2 0.1.1...
[INFO] checking ssh_cfg2-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate ssh_cfg2 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ssh_cfg2 0.1.1 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 ssh_cfg2 0.1.1
[INFO] finished tweaking crates.io crate ssh_cfg2 0.1.1
[INFO] tweaked toml for crates.io crate ssh_cfg2 0.1.1 written to /workspace/builds/worker-4-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 60 packages
[INFO] [stderr]       Adding async-fs v1.6.0 (latest: v2.1.1)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding dirs v3.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 plain_path v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e18a8668f1086a8069527809c098eca60752116a8ec7fbf6137bf38527de399d
[INFO] running `Command { std: "docker" "start" "-a" "e18a8668f1086a8069527809c098eca60752116a8ec7fbf6137bf38527de399d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18a8668f1086a8069527809c098eca60752116a8ec7fbf6137bf38527de399d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18a8668f1086a8069527809c098eca60752116a8ec7fbf6137bf38527de399d", kill_on_drop: false }`
[INFO] [stdout] e18a8668f1086a8069527809c098eca60752116a8ec7fbf6137bf38527de399d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 050f792d7546bfc72325d2140d4ad9fc40a1877a2fc58b188c759187ddeb7a0e
[INFO] running `Command { std: "docker" "start" "-a" "050f792d7546bfc72325d2140d4ad9fc40a1877a2fc58b188c759187ddeb7a0e", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking plain_path v0.1.0
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking ssh_cfg2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "050f792d7546bfc72325d2140d4ad9fc40a1877a2fc58b188c759187ddeb7a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050f792d7546bfc72325d2140d4ad9fc40a1877a2fc58b188c759187ddeb7a0e", kill_on_drop: false }`
[INFO] [stdout] 050f792d7546bfc72325d2140d4ad9fc40a1877a2fc58b188c759187ddeb7a0e
[INFO] checking ssh_cfg2-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate ssh_cfg2 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ssh_cfg2 0.1.1 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 ssh_cfg2 0.1.1
[INFO] finished tweaking crates.io crate ssh_cfg2 0.1.1
[INFO] tweaked toml for crates.io crate ssh_cfg2 0.1.1 written to /workspace/builds/worker-4-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]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages
[INFO] [stderr]       Adding async-fs v1.6.0 (latest: v2.1.1)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding dirs v3.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bebb1beadb7dc7314d5d58df36f14a5bfebe7b3f756fcc114d63b00bdedaf8db
[INFO] running `Command { std: "docker" "start" "-a" "bebb1beadb7dc7314d5d58df36f14a5bfebe7b3f756fcc114d63b00bdedaf8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebb1beadb7dc7314d5d58df36f14a5bfebe7b3f756fcc114d63b00bdedaf8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebb1beadb7dc7314d5d58df36f14a5bfebe7b3f756fcc114d63b00bdedaf8db", kill_on_drop: false }`
[INFO] [stdout] bebb1beadb7dc7314d5d58df36f14a5bfebe7b3f756fcc114d63b00bdedaf8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 42805c89c867256d973d936199c9567d531d9dcd18ddf32566f377172d9b32c3
[INFO] running `Command { std: "docker" "start" "-a" "42805c89c867256d973d936199c9567d531d9dcd18ddf32566f377172d9b32c3", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking plain_path v0.1.0
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking ssh_cfg2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "42805c89c867256d973d936199c9567d531d9dcd18ddf32566f377172d9b32c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42805c89c867256d973d936199c9567d531d9dcd18ddf32566f377172d9b32c3", kill_on_drop: false }`
[INFO] [stdout] 42805c89c867256d973d936199c9567d531d9dcd18ddf32566f377172d9b32c3