[INFO] fetching crate cargo-verify 0.2.3...
[INFO] checking cargo-verify-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cargo-verify 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cargo-verify 0.2.3 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 cargo-verify 0.2.3
[INFO] finished tweaking crates.io crate cargo-verify 0.2.3
[INFO] tweaked toml for crates.io crate cargo-verify 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-verify 0.2.3 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded verify_macro v0.2.3
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded combine v4.2.1
[INFO] [stderr]   Downloaded verified v0.2.3
[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] 4d8d5fdb9bfb259352cd1dc38e7df13d9564fda9bc8018a80e251727ed0fa6f9
[INFO] running `Command { std: "docker" "start" "-a" "4d8d5fdb9bfb259352cd1dc38e7df13d9564fda9bc8018a80e251727ed0fa6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d8d5fdb9bfb259352cd1dc38e7df13d9564fda9bc8018a80e251727ed0fa6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8d5fdb9bfb259352cd1dc38e7df13d9564fda9bc8018a80e251727ed0fa6f9", kill_on_drop: false }`
[INFO] [stdout] 4d8d5fdb9bfb259352cd1dc38e7df13d9564fda9bc8018a80e251727ed0fa6f9
[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] 22e67fb3eca7f11db4454a7648265f91be5b5eb3064049f671db81217a7234e2
[INFO] running `Command { std: "docker" "start" "-a" "22e67fb3eca7f11db4454a7648265f91be5b5eb3064049f671db81217a7234e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking combine v4.2.1
[INFO] [stderr]    Compiling verify_macro v0.2.3
[INFO] [stderr]     Checking verified v0.2.3
[INFO] [stderr]     Checking cargo-verify v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `Command { std: "docker" "inspect" "22e67fb3eca7f11db4454a7648265f91be5b5eb3064049f671db81217a7234e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e67fb3eca7f11db4454a7648265f91be5b5eb3064049f671db81217a7234e2", kill_on_drop: false }`
[INFO] [stdout] 22e67fb3eca7f11db4454a7648265f91be5b5eb3064049f671db81217a7234e2
[INFO] checking cargo-verify-0.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate cargo-verify 0.2.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cargo-verify 0.2.3 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 cargo-verify 0.2.3
[INFO] finished tweaking crates.io crate cargo-verify 0.2.3
[INFO] tweaked toml for crates.io crate cargo-verify 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-verify 0.2.3 already has a lockfile, it will not be regenerated
[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] 82e52abafc25f8e97c685a2a737bd320e444fdf40de4e6a11f82906341cfc970
[INFO] running `Command { std: "docker" "start" "-a" "82e52abafc25f8e97c685a2a737bd320e444fdf40de4e6a11f82906341cfc970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82e52abafc25f8e97c685a2a737bd320e444fdf40de4e6a11f82906341cfc970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e52abafc25f8e97c685a2a737bd320e444fdf40de4e6a11f82906341cfc970", kill_on_drop: false }`
[INFO] [stdout] 82e52abafc25f8e97c685a2a737bd320e444fdf40de4e6a11f82906341cfc970
[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] bf05856cac752a81f85ad5e149322da58720f345ef3205b8587f0590d25f65c5
[INFO] running `Command { std: "docker" "start" "-a" "bf05856cac752a81f85ad5e149322da58720f345ef3205b8587f0590d25f65c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking combine v4.2.1
[INFO] [stderr]    Compiling verify_macro v0.2.3
[INFO] [stderr]     Checking verified v0.2.3
[INFO] [stderr]     Checking cargo-verify v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.68s
[INFO] running `Command { std: "docker" "inspect" "bf05856cac752a81f85ad5e149322da58720f345ef3205b8587f0590d25f65c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf05856cac752a81f85ad5e149322da58720f345ef3205b8587f0590d25f65c5", kill_on_drop: false }`
[INFO] [stdout] bf05856cac752a81f85ad5e149322da58720f345ef3205b8587f0590d25f65c5