[INFO] fetching crate http-cache-semantics 2.0.1...
[INFO] checking http-cache-semantics-2.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate http-cache-semantics 2.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate http-cache-semantics 2.0.1 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 http-cache-semantics 2.0.1
[INFO] finished tweaking crates.io crate http-cache-semantics 2.0.1
[INFO] tweaked toml for crates.io crate http-cache-semantics 2.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages
[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 http-serde v2.0.0
[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] ce677345b4d659064eb3941a20f2207bf824e9eae560f89e55d14690770efa3a
[INFO] running `Command { std: "docker" "start" "-a" "ce677345b4d659064eb3941a20f2207bf824e9eae560f89e55d14690770efa3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce677345b4d659064eb3941a20f2207bf824e9eae560f89e55d14690770efa3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce677345b4d659064eb3941a20f2207bf824e9eae560f89e55d14690770efa3a", kill_on_drop: false }`
[INFO] [stdout] ce677345b4d659064eb3941a20f2207bf824e9eae560f89e55d14690770efa3a
[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] 6ca703281126b1b155839e08feca0d8c2a1e2086d75c1255badee40f7c1fc7e7
[INFO] running `Command { std: "docker" "start" "-a" "6ca703281126b1b155839e08feca0d8c2a1e2086d75c1255badee40f7c1fc7e7", kill_on_drop: false }`
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking http-serde v2.0.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking http-cache-semantics v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "6ca703281126b1b155839e08feca0d8c2a1e2086d75c1255badee40f7c1fc7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca703281126b1b155839e08feca0d8c2a1e2086d75c1255badee40f7c1fc7e7", kill_on_drop: false }`
[INFO] [stdout] 6ca703281126b1b155839e08feca0d8c2a1e2086d75c1255badee40f7c1fc7e7
[INFO] checking http-cache-semantics-2.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate http-cache-semantics 2.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate http-cache-semantics 2.0.1 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 http-cache-semantics 2.0.1
[INFO] finished tweaking crates.io crate http-cache-semantics 2.0.1
[INFO] tweaked toml for crates.io crate http-cache-semantics 2.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages
[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-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] 0c05537269d7478fb4e4cdfb563dee3acfc54519c627e511db4c8282b7e3003f
[INFO] running `Command { std: "docker" "start" "-a" "0c05537269d7478fb4e4cdfb563dee3acfc54519c627e511db4c8282b7e3003f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c05537269d7478fb4e4cdfb563dee3acfc54519c627e511db4c8282b7e3003f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c05537269d7478fb4e4cdfb563dee3acfc54519c627e511db4c8282b7e3003f", kill_on_drop: false }`
[INFO] [stdout] 0c05537269d7478fb4e4cdfb563dee3acfc54519c627e511db4c8282b7e3003f
[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] 98ed408669f19f6ba2447e5738f41dd409ba4a8b4ebe2d8b92b3d53651c4da1a
[INFO] running `Command { std: "docker" "start" "-a" "98ed408669f19f6ba2447e5738f41dd409ba4a8b4ebe2d8b92b3d53651c4da1a", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking http-serde v2.0.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking http-cache-semantics v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "98ed408669f19f6ba2447e5738f41dd409ba4a8b4ebe2d8b92b3d53651c4da1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ed408669f19f6ba2447e5738f41dd409ba4a8b4ebe2d8b92b3d53651c4da1a", kill_on_drop: false }`
[INFO] [stdout] 98ed408669f19f6ba2447e5738f41dd409ba4a8b4ebe2d8b92b3d53651c4da1a