[INFO] fetching crate b2get 0.2.0...
[INFO] checking b2get-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate b2get 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate b2get 0.2.0 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 b2get 0.2.0
[INFO] finished tweaking crates.io crate b2get 0.2.0
[INFO] tweaked toml for crates.io crate b2get 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate b2get 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.4.6
[INFO] [stderr]   Downloaded portable-atomic v1.5.0
[INFO] [stderr]   Downloaded clap_builder v4.4.6
[INFO] [stderr]   Downloaded rustls-webpki v0.101.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 58a53e1a6fff189550bfbf2ef77289ca6363bbb79c576b585a30e65e2a95afe4
[INFO] running `Command { std: "docker" "start" "-a" "58a53e1a6fff189550bfbf2ef77289ca6363bbb79c576b585a30e65e2a95afe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a53e1a6fff189550bfbf2ef77289ca6363bbb79c576b585a30e65e2a95afe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a53e1a6fff189550bfbf2ef77289ca6363bbb79c576b585a30e65e2a95afe4", kill_on_drop: false }`
[INFO] [stdout] 58a53e1a6fff189550bfbf2ef77289ca6363bbb79c576b585a30e65e2a95afe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e5df4bc105621f36f2143fa375d60b8f38ad5f587d397cfef82e6d27840bb2f6
[INFO] running `Command { std: "docker" "start" "-a" "e5df4bc105621f36f2143fa375d60b8f38ad5f587d397cfef82e6d27840bb2f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling portable-atomic v1.5.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking cpufeatures v0.2.10
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.5
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking b2get v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `Command { std: "docker" "inspect" "e5df4bc105621f36f2143fa375d60b8f38ad5f587d397cfef82e6d27840bb2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5df4bc105621f36f2143fa375d60b8f38ad5f587d397cfef82e6d27840bb2f6", kill_on_drop: false }`
[INFO] [stdout] e5df4bc105621f36f2143fa375d60b8f38ad5f587d397cfef82e6d27840bb2f6
[INFO] checking b2get-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate b2get 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate b2get 0.2.0 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 b2get 0.2.0
[INFO] finished tweaking crates.io crate b2get 0.2.0
[INFO] tweaked toml for crates.io crate b2get 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate b2get 0.2.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f8314ef30db0e886a44bb20696b4bcf29fb1006922cf75d942d0688594b67f23
[INFO] running `Command { std: "docker" "start" "-a" "f8314ef30db0e886a44bb20696b4bcf29fb1006922cf75d942d0688594b67f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8314ef30db0e886a44bb20696b4bcf29fb1006922cf75d942d0688594b67f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8314ef30db0e886a44bb20696b4bcf29fb1006922cf75d942d0688594b67f23", kill_on_drop: false }`
[INFO] [stdout] f8314ef30db0e886a44bb20696b4bcf29fb1006922cf75d942d0688594b67f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 80d593d690a102e95a3a078f6e18845a005d5f6029a534b48b8d9a85e70f6769
[INFO] running `Command { std: "docker" "start" "-a" "80d593d690a102e95a3a078f6e18845a005d5f6029a534b48b8d9a85e70f6769", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling portable-atomic v1.5.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.10
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking rustls-webpki v0.101.5
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking b2get v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "80d593d690a102e95a3a078f6e18845a005d5f6029a534b48b8d9a85e70f6769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d593d690a102e95a3a078f6e18845a005d5f6029a534b48b8d9a85e70f6769", kill_on_drop: false }`
[INFO] [stdout] 80d593d690a102e95a3a078f6e18845a005d5f6029a534b48b8d9a85e70f6769