[INFO] fetching crate endbasic-repl 0.10.0...
[INFO] checking endbasic-repl-0.10.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate endbasic-repl 0.10.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate endbasic-repl 0.10.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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: v5.2.0)
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] [stderr]   Downloaded num_threads v0.1.7
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded parking v2.2.0
[INFO] [stderr]   Downloaded concurrent-queue v2.4.0
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded async-trait v0.1.79
[INFO] [stderr]   Downloaded endbasic-core v0.10.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded endbasic-std v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d996474d1a2ff17de84e86344df996da6e410eb183978d8bc333c2a1898c5c29
[INFO] running `Command { std: "docker" "start" "-a" "d996474d1a2ff17de84e86344df996da6e410eb183978d8bc333c2a1898c5c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d996474d1a2ff17de84e86344df996da6e410eb183978d8bc333c2a1898c5c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d996474d1a2ff17de84e86344df996da6e410eb183978d8bc333c2a1898c5c29", kill_on_drop: false }`
[INFO] [stdout] d996474d1a2ff17de84e86344df996da6e410eb183978d8bc333c2a1898c5c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5fab82f133a4dd26af7983e87ba27b6a99ed28816108507f956b582355b3adc
[INFO] running `Command { std: "docker" "start" "-a" "d5fab82f133a4dd26af7983e87ba27b6a99ed28816108507f956b582355b3adc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling thiserror-impl 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 5.39s
[INFO] running `Command { std: "docker" "inspect" "d5fab82f133a4dd26af7983e87ba27b6a99ed28816108507f956b582355b3adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fab82f133a4dd26af7983e87ba27b6a99ed28816108507f956b582355b3adc", kill_on_drop: false }`
[INFO] [stdout] d5fab82f133a4dd26af7983e87ba27b6a99ed28816108507f956b582355b3adc