[INFO] fetching crate gitscanr 0.2.1...
[INFO] checking gitscanr-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate gitscanr 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gitscanr 0.2.1 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 gitscanr 0.2.1
[INFO] finished tweaking crates.io crate gitscanr 0.2.1
[INFO] tweaked toml for crates.io crate gitscanr 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate gitscanr 0.2.1 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 os_str_bytes v6.1.0
[INFO] [stderr]   Downloaded clap_lex v0.2.2
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.74
[INFO] [stderr]   Downloaded libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 443284d962afc16b2b8e83cb07f9e665b39d92da3a7be4696c00329ec5ba2df1
[INFO] running `Command { std: "docker" "start" "-a" "443284d962afc16b2b8e83cb07f9e665b39d92da3a7be4696c00329ec5ba2df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443284d962afc16b2b8e83cb07f9e665b39d92da3a7be4696c00329ec5ba2df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443284d962afc16b2b8e83cb07f9e665b39d92da3a7be4696c00329ec5ba2df1", kill_on_drop: false }`
[INFO] [stdout] 443284d962afc16b2b8e83cb07f9e665b39d92da3a7be4696c00329ec5ba2df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5f16b64aa15db7fde672777e9cdb0fd8425b54144b14008119c8d74ea3eb5fb7
[INFO] running `Command { std: "docker" "start" "-a" "5f16b64aa15db7fde672777e9cdb0fd8425b54144b14008119c8d74ea3eb5fb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]     Checking gitscanr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.21s
[INFO] running `Command { std: "docker" "inspect" "5f16b64aa15db7fde672777e9cdb0fd8425b54144b14008119c8d74ea3eb5fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f16b64aa15db7fde672777e9cdb0fd8425b54144b14008119c8d74ea3eb5fb7", kill_on_drop: false }`
[INFO] [stdout] 5f16b64aa15db7fde672777e9cdb0fd8425b54144b14008119c8d74ea3eb5fb7
[INFO] checking gitscanr-0.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate gitscanr 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate gitscanr 0.2.1 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 gitscanr 0.2.1
[INFO] finished tweaking crates.io crate gitscanr 0.2.1
[INFO] tweaked toml for crates.io crate gitscanr 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate gitscanr 0.2.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e23f9a0333d94a8c6b7157cf0e409a003004d64009ce0ca2de7c58f47d0cc3a5
[INFO] running `Command { std: "docker" "start" "-a" "e23f9a0333d94a8c6b7157cf0e409a003004d64009ce0ca2de7c58f47d0cc3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e23f9a0333d94a8c6b7157cf0e409a003004d64009ce0ca2de7c58f47d0cc3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23f9a0333d94a8c6b7157cf0e409a003004d64009ce0ca2de7c58f47d0cc3a5", kill_on_drop: false }`
[INFO] [stdout] e23f9a0333d94a8c6b7157cf0e409a003004d64009ce0ca2de7c58f47d0cc3a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5d25c5945328a560bf275b6e87ba03cfd6d8fe2fa0f8cea4c10422f06ec87ee0
[INFO] running `Command { std: "docker" "start" "-a" "5d25c5945328a560bf275b6e87ba03cfd6d8fe2fa0f8cea4c10422f06ec87ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]     Checking gitscanr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.90s
[INFO] running `Command { std: "docker" "inspect" "5d25c5945328a560bf275b6e87ba03cfd6d8fe2fa0f8cea4c10422f06ec87ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d25c5945328a560bf275b6e87ba03cfd6d8fe2fa0f8cea4c10422f06ec87ee0", kill_on_drop: false }`
[INFO] [stdout] 5d25c5945328a560bf275b6e87ba03cfd6d8fe2fa0f8cea4c10422f06ec87ee0