[INFO] fetching crate bytes-varint 1.0.3...
[INFO] checking bytes-varint-1.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bytes-varint 1.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bytes-varint 1.0.3 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 bytes-varint 1.0.3
[INFO] finished tweaking crates.io crate bytes-varint 1.0.3
[INFO] tweaked toml for crates.io crate bytes-varint 1.0.3 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 32 packages
[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 futures-timer v3.0.3
[INFO] [stderr]   Downloaded rstest_macros v0.18.2
[INFO] [stderr]   Downloaded rstest v0.18.2
[INFO] [stderr]   Downloaded relative-path v1.9.2
[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] 83259f7a3764422042a3195e06febc94c0102293d50e41e6b60f62d9766c6f80
[INFO] running `Command { std: "docker" "start" "-a" "83259f7a3764422042a3195e06febc94c0102293d50e41e6b60f62d9766c6f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83259f7a3764422042a3195e06febc94c0102293d50e41e6b60f62d9766c6f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83259f7a3764422042a3195e06febc94c0102293d50e41e6b60f62d9766c6f80", kill_on_drop: false }`
[INFO] [stdout] 83259f7a3764422042a3195e06febc94c0102293d50e41e6b60f62d9766c6f80
[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] 00d1b4216691430b06dc75ce9c84e59615dc85e7a6685fedc31e1dcaf01b65d1
[INFO] running `Command { std: "docker" "start" "-a" "00d1b4216691430b06dc75ce9c84e59615dc85e7a6685fedc31e1dcaf01b65d1", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking bytes-varint v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "00d1b4216691430b06dc75ce9c84e59615dc85e7a6685fedc31e1dcaf01b65d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d1b4216691430b06dc75ce9c84e59615dc85e7a6685fedc31e1dcaf01b65d1", kill_on_drop: false }`
[INFO] [stdout] 00d1b4216691430b06dc75ce9c84e59615dc85e7a6685fedc31e1dcaf01b65d1
[INFO] checking bytes-varint-1.0.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate bytes-varint 1.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bytes-varint 1.0.3 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 bytes-varint 1.0.3
[INFO] finished tweaking crates.io crate bytes-varint 1.0.3
[INFO] tweaked toml for crates.io crate bytes-varint 1.0.3 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 32 packages
[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] 9348a0b9774c55cadbac74d5fa1d616542216b0e038688b6afef73d9b92f67d5
[INFO] running `Command { std: "docker" "start" "-a" "9348a0b9774c55cadbac74d5fa1d616542216b0e038688b6afef73d9b92f67d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9348a0b9774c55cadbac74d5fa1d616542216b0e038688b6afef73d9b92f67d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9348a0b9774c55cadbac74d5fa1d616542216b0e038688b6afef73d9b92f67d5", kill_on_drop: false }`
[INFO] [stdout] 9348a0b9774c55cadbac74d5fa1d616542216b0e038688b6afef73d9b92f67d5
[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] 486a0680bdd4f9b37ab66e127555a3d42fd943d06aa42f360ee02dd7a0ab9018
[INFO] running `Command { std: "docker" "start" "-a" "486a0680bdd4f9b37ab66e127555a3d42fd943d06aa42f360ee02dd7a0ab9018", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking bytes-varint v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "486a0680bdd4f9b37ab66e127555a3d42fd943d06aa42f360ee02dd7a0ab9018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486a0680bdd4f9b37ab66e127555a3d42fd943d06aa42f360ee02dd7a0ab9018", kill_on_drop: false }`
[INFO] [stdout] 486a0680bdd4f9b37ab66e127555a3d42fd943d06aa42f360ee02dd7a0ab9018