[INFO] fetching crate depth 0.0.4...
[INFO] checking depth-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate depth 0.0.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate depth 0.0.4 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 depth 0.0.4
[INFO] finished tweaking crates.io crate depth 0.0.4
[INFO] tweaked toml for crates.io crate depth 0.0.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate depth 0.0.4 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crates_io_api v0.8.2
[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] fc1bd50da7f15558df7a128fcceac348ee481387d72e2471d00e4bd09f4c2368
[INFO] running `Command { std: "docker" "start" "-a" "fc1bd50da7f15558df7a128fcceac348ee481387d72e2471d00e4bd09f4c2368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1bd50da7f15558df7a128fcceac348ee481387d72e2471d00e4bd09f4c2368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1bd50da7f15558df7a128fcceac348ee481387d72e2471d00e4bd09f4c2368", kill_on_drop: false }`
[INFO] [stdout] fc1bd50da7f15558df7a128fcceac348ee481387d72e2471d00e4bd09f4c2368
[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] 8e71fec29a3e0f038c6685d7fa366904828c3d58f2c496c3bf0c18125a396a7c
[INFO] running `Command { std: "docker" "start" "-a" "8e71fec29a3e0f038c6685d7fa366904828c3d58f2c496c3bf0c18125a396a7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking winnow v0.5.19
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking crates_io_api v0.8.2
[INFO] [stderr]     Checking depth v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.56s
[INFO] running `Command { std: "docker" "inspect" "8e71fec29a3e0f038c6685d7fa366904828c3d58f2c496c3bf0c18125a396a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e71fec29a3e0f038c6685d7fa366904828c3d58f2c496c3bf0c18125a396a7c", kill_on_drop: false }`
[INFO] [stdout] 8e71fec29a3e0f038c6685d7fa366904828c3d58f2c496c3bf0c18125a396a7c
[INFO] checking depth-0.0.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate depth 0.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate depth 0.0.4 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 depth 0.0.4
[INFO] finished tweaking crates.io crate depth 0.0.4
[INFO] tweaked toml for crates.io crate depth 0.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate depth 0.0.4 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] 57c8ab1888528d65ee1c421a415914f92f04a612b69eda51e4696f4033823218
[INFO] running `Command { std: "docker" "start" "-a" "57c8ab1888528d65ee1c421a415914f92f04a612b69eda51e4696f4033823218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c8ab1888528d65ee1c421a415914f92f04a612b69eda51e4696f4033823218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c8ab1888528d65ee1c421a415914f92f04a612b69eda51e4696f4033823218", kill_on_drop: false }`
[INFO] [stdout] 57c8ab1888528d65ee1c421a415914f92f04a612b69eda51e4696f4033823218
[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] cd4063b1e161ee800dac0b1588d9bf9a3ffe0cc53fa3bfc90b06aa9bb27e6a2c
[INFO] running `Command { std: "docker" "start" "-a" "cd4063b1e161ee800dac0b1588d9bf9a3ffe0cc53fa3bfc90b06aa9bb27e6a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking winnow v0.5.19
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking crates_io_api v0.8.2
[INFO] [stderr]     Checking depth v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "cd4063b1e161ee800dac0b1588d9bf9a3ffe0cc53fa3bfc90b06aa9bb27e6a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4063b1e161ee800dac0b1588d9bf9a3ffe0cc53fa3bfc90b06aa9bb27e6a2c", kill_on_drop: false }`
[INFO] [stdout] cd4063b1e161ee800dac0b1588d9bf9a3ffe0cc53fa3bfc90b06aa9bb27e6a2c