[INFO] fetching crate iploc 0.1.0... [INFO] checking iploc-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate iploc 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate iploc 0.1.0 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 iploc 0.1.0 [INFO] finished tweaking crates.io crate iploc 0.1.0 [INFO] tweaked toml for crates.io crate iploc 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 31 packages [INFO] [stderr] Adding cookie v0.2.5 (latest: v0.18.1) [INFO] [stderr] Adding hpack v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding hyper v0.9.18 (latest: v1.2.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding language-tags v0.2.2 (latest: v0.3.2) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding mime v0.2.6 (latest: v0.3.17) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding traitobject v0.0.1 (latest: v0.1.0) [INFO] [stderr] Adding unicase v1.4.2 (latest: v2.7.0) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffe5b5d63d7b3521c45be5b4bede214928e69309c14593451b5b8362e9d149a6 [INFO] running `Command { std: "docker" "start" "-a" "ffe5b5d63d7b3521c45be5b4bede214928e69309c14593451b5b8362e9d149a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffe5b5d63d7b3521c45be5b4bede214928e69309c14593451b5b8362e9d149a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe5b5d63d7b3521c45be5b4bede214928e69309c14593451b5b8362e9d149a6", kill_on_drop: false }` [INFO] [stdout] ffe5b5d63d7b3521c45be5b4bede214928e69309c14593451b5b8362e9d149a6 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 604be5f43ab6b727dd7a09bdcb2ea7f7d538a427ea8de4b93eaedc1db8164434 [INFO] running `Command { std: "docker" "start" "-a" "604be5f43ab6b727dd7a09bdcb2ea7f7d538a427ea8de4b93eaedc1db8164434", kill_on_drop: false }` [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking hyper v0.9.18 [INFO] [stderr] Checking iploc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/table.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | try!(resp.read_to_string(&mut content)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/table.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | try!(File::open(file).unwrap().read_to_string(&mut content)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/table.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | try!(resp.read_to_string(&mut content)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/table.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | try!(File::open(file).unwrap().read_to_string(&mut content)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/table.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | let mut filename = env::home_dir().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/table.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | let mut filename = env::home_dir().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/util.rs:35:27 [INFO] [stdout] | [INFO] [stdout] 35 | let mut s = bytes.into_iter().map(|x| x.to_string() + ".").collect::>().concat(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 35 | let mut s = bytes.iter().map(|x| x.to_string() + ".").collect::>().concat(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 35 | let mut s = IntoIterator::into_iter(bytes).map(|x| x.to_string() + ".").collect::>().concat(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/util.rs:35:27 [INFO] [stdout] | [INFO] [stdout] 35 | let mut s = bytes.into_iter().map(|x| x.to_string() + ".").collect::>().concat(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 35 | let mut s = bytes.iter().map(|x| x.to_string() + ".").collect::>().concat(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 35 | let mut s = IntoIterator::into_iter(bytes).map(|x| x.to_string() + ".").collect::>().concat(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "604be5f43ab6b727dd7a09bdcb2ea7f7d538a427ea8de4b93eaedc1db8164434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "604be5f43ab6b727dd7a09bdcb2ea7f7d538a427ea8de4b93eaedc1db8164434", kill_on_drop: false }` [INFO] [stdout] 604be5f43ab6b727dd7a09bdcb2ea7f7d538a427ea8de4b93eaedc1db8164434 [INFO] checking iploc-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate iploc 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate iploc 0.1.0 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 iploc 0.1.0 [INFO] finished tweaking crates.io crate iploc 0.1.0 [INFO] tweaked toml for crates.io crate iploc 0.1.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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] 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11b83caf29771534dd3fa51c579f83ca93b94b71ddd190a0fee2d5080a60b914 [INFO] running `Command { std: "docker" "start" "-a" "11b83caf29771534dd3fa51c579f83ca93b94b71ddd190a0fee2d5080a60b914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11b83caf29771534dd3fa51c579f83ca93b94b71ddd190a0fee2d5080a60b914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11b83caf29771534dd3fa51c579f83ca93b94b71ddd190a0fee2d5080a60b914", kill_on_drop: false }` [INFO] [stdout] 11b83caf29771534dd3fa51c579f83ca93b94b71ddd190a0fee2d5080a60b914 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed047f0d6e6e82217229c8711214f31e5f53804bbeb145a59dad968333075ec5 [INFO] running `Command { std: "docker" "start" "-a" "ed047f0d6e6e82217229c8711214f31e5f53804bbeb145a59dad968333075ec5", kill_on_drop: false }` [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking hpack v0.2.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking httparse v1.8.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking traitobject v0.0.1 [INFO] [stderr] Checking solicit v0.4.4 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking cookie v0.2.5 [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" "ed047f0d6e6e82217229c8711214f31e5f53804bbeb145a59dad968333075ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed047f0d6e6e82217229c8711214f31e5f53804bbeb145a59dad968333075ec5", kill_on_drop: false }` [INFO] [stdout] ed047f0d6e6e82217229c8711214f31e5f53804bbeb145a59dad968333075ec5