[INFO] fetching crate samuel 0.1.2... [INFO] checking samuel-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate samuel 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate samuel 0.1.2 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 samuel 0.1.2 [INFO] finished tweaking crates.io crate samuel 0.1.2 [INFO] tweaked toml for crates.io crate samuel 0.1.2 written to /workspace/builds/worker-2-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 24 packages [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding roxmltree v0.4.1 (latest: v0.19.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding xmlparser v0.8.1 (latest: v0.13.6) [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 roxmltree v0.4.1 [INFO] [stderr] Downloaded xmlparser v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2d8bf2280c3791d5db318a5f65ea145721e8f5a498f8e20c8b854ac0f800e494 [INFO] running `Command { std: "docker" "start" "-a" "2d8bf2280c3791d5db318a5f65ea145721e8f5a498f8e20c8b854ac0f800e494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d8bf2280c3791d5db318a5f65ea145721e8f5a498f8e20c8b854ac0f800e494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d8bf2280c3791d5db318a5f65ea145721e8f5a498f8e20c8b854ac0f800e494", kill_on_drop: false }` [INFO] [stdout] 2d8bf2280c3791d5db318a5f65ea145721e8f5a498f8e20c8b854ac0f800e494 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 879cf438c30ece0291e21a83397c3d3fdb378bfa755f1bdb0f8aebd7de55cbda [INFO] running `Command { std: "docker" "start" "-a" "879cf438c30ece0291e21a83397c3d3fdb378bfa755f1bdb0f8aebd7de55cbda", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking xmlparser v0.8.1 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking roxmltree v0.4.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking samuel v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/assertion.rs:625:9 [INFO] [stdout] | [INFO] [stdout] 624 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 625 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/assertion.rs:628:9 [INFO] [stdout] | [INFO] [stdout] 628 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/assertion.rs:629:9 [INFO] [stdout] | [INFO] [stdout] 624 | use super::*; [INFO] [stdout] | -------- the item `TryInto` is already imported here [INFO] [stdout] ... [INFO] [stdout] 629 | use try_from::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/encryption.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 91 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 92 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/encryption.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/encryption.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 91 | use super::*; [INFO] [stdout] | -------- the item `TryInto` is already imported here [INFO] [stdout] ... [INFO] [stdout] 96 | use try_from::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/response.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 221 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 222 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/response.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/signature.rs:464:9 [INFO] [stdout] | [INFO] [stdout] 463 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 464 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/signature.rs:467:9 [INFO] [stdout] | [INFO] [stdout] 467 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/signature.rs:468:9 [INFO] [stdout] | [INFO] [stdout] 463 | use super::*; [INFO] [stdout] | -------- the item `TryInto` is already imported here [INFO] [stdout] ... [INFO] [stdout] 468 | use try_from::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/assertion.rs:323:17 [INFO] [stdout] | [INFO] [stdout] 323 | fn try_from(n: Node) -> Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/assertion.rs:334:17 [INFO] [stdout] | [INFO] [stdout] 334 | fn try_from(n: Node) -> Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/assertion.rs:323:17 [INFO] [stdout] | [INFO] [stdout] 323 | fn try_from(n: Node) -> Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/assertion.rs:334:17 [INFO] [stdout] | [INFO] [stdout] 334 | fn try_from(n: Node) -> Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s [INFO] running `Command { std: "docker" "inspect" "879cf438c30ece0291e21a83397c3d3fdb378bfa755f1bdb0f8aebd7de55cbda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "879cf438c30ece0291e21a83397c3d3fdb378bfa755f1bdb0f8aebd7de55cbda", kill_on_drop: false }` [INFO] [stdout] 879cf438c30ece0291e21a83397c3d3fdb378bfa755f1bdb0f8aebd7de55cbda [INFO] checking samuel-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate samuel 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate samuel 0.1.2 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 samuel 0.1.2 [INFO] finished tweaking crates.io crate samuel 0.1.2 [INFO] tweaked toml for crates.io crate samuel 0.1.2 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 07a990937c2e59dee5d3b47ec1e83531017bafcdd5433580d5967a309e0742b5 [INFO] running `Command { std: "docker" "start" "-a" "07a990937c2e59dee5d3b47ec1e83531017bafcdd5433580d5967a309e0742b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07a990937c2e59dee5d3b47ec1e83531017bafcdd5433580d5967a309e0742b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a990937c2e59dee5d3b47ec1e83531017bafcdd5433580d5967a309e0742b5", kill_on_drop: false }` [INFO] [stdout] 07a990937c2e59dee5d3b47ec1e83531017bafcdd5433580d5967a309e0742b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 19d42a24f9a4ad391abb5dc7783397866b7806b3c277eec33fa479acacfc9e4c [INFO] running `Command { std: "docker" "start" "-a" "19d42a24f9a4ad391abb5dc7783397866b7806b3c277eec33fa479acacfc9e4c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking xmlparser v0.8.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xmlparser-0.8.1/src/lib.rs:333:17 [INFO] [stdout] | [INFO] [stdout] 333 | / if $token_type == TokenType::Unknown { [INFO] [stdout] 334 | | return Some(Err(Error::UnknownToken(pos))); [INFO] [stdout] 335 | | } else { [INFO] [stdout] 336 | | return Some(Err(Error::UnexpectedToken($token_type, pos))); [INFO] [stdout] 337 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 350 | gen_err!(token_type); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `gen_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9 [INFO] [stdout] | [INFO] [stdout] 1196 | / match state { [INFO] [stdout] 1197 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1198 | | l.bit_buf = 0; [INFO] [stdout] 1199 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1741 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1742 | | }; [INFO] [stdout] | |_________^ cannot infer type [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 `miniz_oxide` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `xmlparser` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "19d42a24f9a4ad391abb5dc7783397866b7806b3c277eec33fa479acacfc9e4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d42a24f9a4ad391abb5dc7783397866b7806b3c277eec33fa479acacfc9e4c", kill_on_drop: false }` [INFO] [stdout] 19d42a24f9a4ad391abb5dc7783397866b7806b3c277eec33fa479acacfc9e4c