[INFO] fetching crate linkmap 0.1.1...
[INFO] checking linkmap-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate linkmap 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate linkmap 0.1.1 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 linkmap 0.1.1
[INFO] finished tweaking crates.io crate linkmap 0.1.1
[INFO] tweaked toml for crates.io crate linkmap 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate linkmap 0.1.1 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 debugid v0.7.2
[INFO] [stderr]   Downloaded symbolic-common v8.6.0
[INFO] [stderr]   Downloaded memmap2 v0.5.3
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded msvc-demangler v0.9.0
[INFO] [stderr]   Downloaded symbolic-demangle v8.6.0
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 416ef0e6c22a6677c196c8dae69439b7cbd9a5df683f62803e5e53d8519bdbdb
[INFO] running `Command { std: "docker" "start" "-a" "416ef0e6c22a6677c196c8dae69439b7cbd9a5df683f62803e5e53d8519bdbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416ef0e6c22a6677c196c8dae69439b7cbd9a5df683f62803e5e53d8519bdbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416ef0e6c22a6677c196c8dae69439b7cbd9a5df683f62803e5e53d8519bdbdb", kill_on_drop: false }`
[INFO] [stdout] 416ef0e6c22a6677c196c8dae69439b7cbd9a5df683f62803e5e53d8519bdbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 15e07133d9df30248a57e8247652c964670e3562d16973f7d3dffa0721c506a9
[INFO] running `Command { std: "docker" "start" "-a" "15e07133d9df30248a57e8247652c964670e3562d16973f7d3dffa0721c506a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking msvc-demangler v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling symbolic-demangle v8.6.0
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking symbolic-common v8.6.0
[INFO] [stderr]     Checking linkmap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.39s
[INFO] running `Command { std: "docker" "inspect" "15e07133d9df30248a57e8247652c964670e3562d16973f7d3dffa0721c506a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e07133d9df30248a57e8247652c964670e3562d16973f7d3dffa0721c506a9", kill_on_drop: false }`
[INFO] [stdout] 15e07133d9df30248a57e8247652c964670e3562d16973f7d3dffa0721c506a9
[INFO] checking linkmap-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate linkmap 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate linkmap 0.1.1 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 linkmap 0.1.1
[INFO] finished tweaking crates.io crate linkmap 0.1.1
[INFO] tweaked toml for crates.io crate linkmap 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate linkmap 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3c245da94015a1ee7f9bac2aa0768f40485f5be336dfe778f029685d7533c0fd
[INFO] running `Command { std: "docker" "start" "-a" "3c245da94015a1ee7f9bac2aa0768f40485f5be336dfe778f029685d7533c0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c245da94015a1ee7f9bac2aa0768f40485f5be336dfe778f029685d7533c0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c245da94015a1ee7f9bac2aa0768f40485f5be336dfe778f029685d7533c0fd", kill_on_drop: false }`
[INFO] [stdout] 3c245da94015a1ee7f9bac2aa0768f40485f5be336dfe778f029685d7533c0fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3847c437c126bc9b220da0cf5e3f0e0329272da3e83359e01669276d38fcf3b0
[INFO] running `Command { std: "docker" "start" "-a" "3847c437c126bc9b220da0cf5e3f0e0329272da3e83359e01669276d38fcf3b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking msvc-demangler v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling symbolic-demangle v8.6.0
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking symbolic-common v8.6.0
[INFO] [stderr]     Checking linkmap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "3847c437c126bc9b220da0cf5e3f0e0329272da3e83359e01669276d38fcf3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3847c437c126bc9b220da0cf5e3f0e0329272da3e83359e01669276d38fcf3b0", kill_on_drop: false }`
[INFO] [stdout] 3847c437c126bc9b220da0cf5e3f0e0329272da3e83359e01669276d38fcf3b0