[INFO] fetching crate endbasic-repl 0.10.0...
[INFO] checking endbasic-repl-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate endbasic-repl 0.10.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate endbasic-repl 0.10.0 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 endbasic-repl 0.10.0
[INFO] finished tweaking crates.io crate endbasic-repl 0.10.0
[INFO] tweaked toml for crates.io crate endbasic-repl 0.10.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-recursion v0.3.2 (latest: v1.1.0)
[INFO] [stderr]       Adding endian-type v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[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 syn v1.0.109 (latest: v2.0.58)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded endbasic-core v0.10.0
[INFO] [stderr]   Downloaded endbasic-std v0.10.0
[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] 9f023d2485d5b957dedfa3923bc90f0def3866d63335a3fc6cf12f172d23ed6e
[INFO] running `Command { std: "docker" "start" "-a" "9f023d2485d5b957dedfa3923bc90f0def3866d63335a3fc6cf12f172d23ed6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f023d2485d5b957dedfa3923bc90f0def3866d63335a3fc6cf12f172d23ed6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f023d2485d5b957dedfa3923bc90f0def3866d63335a3fc6cf12f172d23ed6e", kill_on_drop: false }`
[INFO] [stdout] 9f023d2485d5b957dedfa3923bc90f0def3866d63335a3fc6cf12f172d23ed6e
[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] 2caba2f438829fae968ed76c51de9958df20722232b5e3bf33e6a113d8c6efb4
[INFO] running `Command { std: "docker" "start" "-a" "2caba2f438829fae968ed76c51de9958df20722232b5e3bf33e6a113d8c6efb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking endbasic-core v0.10.0
[INFO] [stderr]     Checking endbasic-std v0.10.0
[INFO] [stderr]     Checking endbasic-repl v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.68s
[INFO] running `Command { std: "docker" "inspect" "2caba2f438829fae968ed76c51de9958df20722232b5e3bf33e6a113d8c6efb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caba2f438829fae968ed76c51de9958df20722232b5e3bf33e6a113d8c6efb4", kill_on_drop: false }`
[INFO] [stdout] 2caba2f438829fae968ed76c51de9958df20722232b5e3bf33e6a113d8c6efb4
[INFO] checking endbasic-repl-0.10.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate endbasic-repl 0.10.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate endbasic-repl 0.10.0 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 endbasic-repl 0.10.0
[INFO] finished tweaking crates.io crate endbasic-repl 0.10.0
[INFO] tweaked toml for crates.io crate endbasic-repl 0.10.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-recursion v0.3.2 (latest: v1.1.0)
[INFO] [stderr]       Adding endian-type v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[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 syn v1.0.109 (latest: v2.0.58)
[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-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] 238a16ae194ce9771f98151f2aca4d3bffe8dc46577a01f2e1f1fd309db2ac5d
[INFO] running `Command { std: "docker" "start" "-a" "238a16ae194ce9771f98151f2aca4d3bffe8dc46577a01f2e1f1fd309db2ac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238a16ae194ce9771f98151f2aca4d3bffe8dc46577a01f2e1f1fd309db2ac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238a16ae194ce9771f98151f2aca4d3bffe8dc46577a01f2e1f1fd309db2ac5d", kill_on_drop: false }`
[INFO] [stdout] 238a16ae194ce9771f98151f2aca4d3bffe8dc46577a01f2e1f1fd309db2ac5d
[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] 528a3ca8a924c3205f7809166a909d379d6f1d47a78d8bcc9830d1a4bc66d9ee
[INFO] running `Command { std: "docker" "start" "-a" "528a3ca8a924c3205f7809166a909d379d6f1d47a78d8bcc9830d1a4bc66d9ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking endbasic-core v0.10.0
[INFO] [stderr]     Checking endbasic-std v0.10.0
[INFO] [stderr]     Checking endbasic-repl v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "528a3ca8a924c3205f7809166a909d379d6f1d47a78d8bcc9830d1a4bc66d9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528a3ca8a924c3205f7809166a909d379d6f1d47a78d8bcc9830d1a4bc66d9ee", kill_on_drop: false }`
[INFO] [stdout] 528a3ca8a924c3205f7809166a909d379d6f1d47a78d8bcc9830d1a4bc66d9ee