[INFO] fetching crate ceph_usage 0.1.9...
[INFO] checking ceph_usage-0.1.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ceph_usage 0.1.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ceph_usage 0.1.9 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ceph_usage 0.1.9
[INFO] finished tweaking crates.io crate ceph_usage 0.1.9
[INFO] tweaked toml for crates.io crate ceph_usage 0.1.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding bitflags v0.8.2 (latest: v2.5.0)
[INFO] [stderr]       Adding byteorder v1.2.7 (latest: v1.5.0)
[INFO] [stderr]       Adding ceph v2.0.0 (latest: v3.2.5)
[INFO] [stderr]       Adding memchr v1.0.2 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v3.2.1 (latest: v7.1.3)
[INFO] [stderr]       Adding uuid v0.7.4 (latest: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded ceph v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39378a7ef573c60d9dc8f045d3ec96bf26c4598a16a5ddfb18a0066eb8bd1884
[INFO] running `Command { std: "docker" "start" "-a" "39378a7ef573c60d9dc8f045d3ec96bf26c4598a16a5ddfb18a0066eb8bd1884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39378a7ef573c60d9dc8f045d3ec96bf26c4598a16a5ddfb18a0066eb8bd1884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39378a7ef573c60d9dc8f045d3ec96bf26c4598a16a5ddfb18a0066eb8bd1884", kill_on_drop: false }`
[INFO] [stdout] 39378a7ef573c60d9dc8f045d3ec96bf26c4598a16a5ddfb18a0066eb8bd1884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5e227fa7ad581a9698c347cb0503180612ba01681b85913f5a2b1e0fa8c202
[INFO] running `Command { std: "docker" "start" "-a" "4e5e227fa7ad581a9698c347cb0503180612ba01681b85913f5a2b1e0fa8c202", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking ceph v2.0.0
[INFO] [stderr]     Checking ceph_usage v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ceph v2.0.0, nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4e5e227fa7ad581a9698c347cb0503180612ba01681b85913f5a2b1e0fa8c202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5e227fa7ad581a9698c347cb0503180612ba01681b85913f5a2b1e0fa8c202", kill_on_drop: false }`
[INFO] [stdout] 4e5e227fa7ad581a9698c347cb0503180612ba01681b85913f5a2b1e0fa8c202
[INFO] checking ceph_usage-0.1.9 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ceph_usage 0.1.9 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ceph_usage 0.1.9 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ceph_usage 0.1.9
[INFO] finished tweaking crates.io crate ceph_usage 0.1.9
[INFO] tweaked toml for crates.io crate ceph_usage 0.1.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 963e23ce490917ec673c32af6c16c4422b8a255362e52aae0b4fc4910c115d6f
[INFO] running `Command { std: "docker" "start" "-a" "963e23ce490917ec673c32af6c16c4422b8a255362e52aae0b4fc4910c115d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963e23ce490917ec673c32af6c16c4422b8a255362e52aae0b4fc4910c115d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963e23ce490917ec673c32af6c16c4422b8a255362e52aae0b4fc4910c115d6f", kill_on_drop: false }`
[INFO] [stdout] 963e23ce490917ec673c32af6c16c4422b8a255362e52aae0b4fc4910c115d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33c14fa08b751573a367becec362d236111e1d33b1691c9fb7f126975cf84455
[INFO] running `Command { std: "docker" "start" "-a" "33c14fa08b751573a367becec362d236111e1d33b1691c9fb7f126975cf84455", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20
[INFO] [stdout]      |
[INFO] [stdout] 1387 |             _ => { panic!(); }
[INFO] [stdout]      |                    ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "33c14fa08b751573a367becec362d236111e1d33b1691c9fb7f126975cf84455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c14fa08b751573a367becec362d236111e1d33b1691c9fb7f126975cf84455", kill_on_drop: false }`
[INFO] [stdout] 33c14fa08b751573a367becec362d236111e1d33b1691c9fb7f126975cf84455