[INFO] fetching crate git-view 1.0.0...
[INFO] checking git-view-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate git-view 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate git-view 1.0.0 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 git-view 1.0.0
[INFO] finished tweaking crates.io crate git-view 1.0.0
[INFO] tweaked toml for crates.io crate git-view 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate git-view 1.0.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded fragile v2.0.0
[INFO] [stderr]   Downloaded mockall v0.11.4
[INFO] [stderr]   Downloaded test-case-core v3.1.0
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded test-case-macros v3.1.0
[INFO] [stderr]   Downloaded test-case v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b7b1a7cfdc2cdbc714d9bc3b357a3bceebb5f04910cd79cd12ffb7115e03318
[INFO] running `Command { std: "docker" "start" "-a" "7b7b1a7cfdc2cdbc714d9bc3b357a3bceebb5f04910cd79cd12ffb7115e03318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b7b1a7cfdc2cdbc714d9bc3b357a3bceebb5f04910cd79cd12ffb7115e03318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7b1a7cfdc2cdbc714d9bc3b357a3bceebb5f04910cd79cd12ffb7115e03318", kill_on_drop: false }`
[INFO] [stdout] 7b7b1a7cfdc2cdbc714d9bc3b357a3bceebb5f04910cd79cd12ffb7115e03318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7f99aba2339e941d00012f500ff733df3b0b9682ac8e1d12e6e37f007d693b57
[INFO] running `Command { std: "docker" "start" "-a" "7f99aba2339e941d00012f500ff733df3b0b9682ac8e1d12e6e37f007d693b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking webbrowser v0.8.10
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking git-view v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case-core v3.1.0
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling test-case-macros v3.1.0
[INFO] [stderr]     Checking test-case v3.1.0
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.45s
[INFO] running `Command { std: "docker" "inspect" "7f99aba2339e941d00012f500ff733df3b0b9682ac8e1d12e6e37f007d693b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f99aba2339e941d00012f500ff733df3b0b9682ac8e1d12e6e37f007d693b57", kill_on_drop: false }`
[INFO] [stdout] 7f99aba2339e941d00012f500ff733df3b0b9682ac8e1d12e6e37f007d693b57
[INFO] checking git-view-1.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate git-view 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate git-view 1.0.0 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 git-view 1.0.0
[INFO] finished tweaking crates.io crate git-view 1.0.0
[INFO] tweaked toml for crates.io crate git-view 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate git-view 1.0.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a15350bb0352a3d5004981ff2891220af08953ab6af4beded892816f6e76794f
[INFO] running `Command { std: "docker" "start" "-a" "a15350bb0352a3d5004981ff2891220af08953ab6af4beded892816f6e76794f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15350bb0352a3d5004981ff2891220af08953ab6af4beded892816f6e76794f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15350bb0352a3d5004981ff2891220af08953ab6af4beded892816f6e76794f", kill_on_drop: false }`
[INFO] [stdout] a15350bb0352a3d5004981ff2891220af08953ab6af4beded892816f6e76794f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bcd2e578fcadb31ca76e937d75c39b55e53ef948d0e431b1cde32118a972d8d8
[INFO] running `Command { std: "docker" "start" "-a" "bcd2e578fcadb31ca76e937d75c39b55e53ef948d0e431b1cde32118a972d8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking webbrowser v0.8.10
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking git-view v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case-core v3.1.0
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling test-case-macros v3.1.0
[INFO] [stderr]     Checking test-case v3.1.0
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.00s
[INFO] running `Command { std: "docker" "inspect" "bcd2e578fcadb31ca76e937d75c39b55e53ef948d0e431b1cde32118a972d8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd2e578fcadb31ca76e937d75c39b55e53ef948d0e431b1cde32118a972d8d8", kill_on_drop: false }`
[INFO] [stdout] bcd2e578fcadb31ca76e937d75c39b55e53ef948d0e431b1cde32118a972d8d8