[INFO] fetching crate sophia_sparql 0.1.0-alpha.0...
[INFO] checking sophia_sparql-0.1.0-alpha.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate sophia_sparql 0.1.0-alpha.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate sophia_sparql 0.1.0-alpha.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 sophia_sparql 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate sophia_sparql 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate sophia_sparql 0.1.0-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate sophia_sparql 0.1.0-alpha.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spargebra v0.2.8
[INFO] [stderr]   Downloaded peg v0.8.1
[INFO] [stderr]   Downloaded sophia v0.8.0-alpha.3
[INFO] [stderr]   Downloaded oxrdf v0.1.7
[INFO] [stderr]   Downloaded peg-runtime v0.8.1
[INFO] [stderr]   Downloaded peg-macros v0.8.1
[INFO] [stderr]   Downloaded serde v1.0.179
[INFO] [stderr]   Downloaded serde_derive v1.0.179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0160c8d37b41de96eceeeb32c286a55b9ba349b156ca1f2b24c074faac22db38
[INFO] running `Command { std: "docker" "start" "-a" "0160c8d37b41de96eceeeb32c286a55b9ba349b156ca1f2b24c074faac22db38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0160c8d37b41de96eceeeb32c286a55b9ba349b156ca1f2b24c074faac22db38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0160c8d37b41de96eceeeb32c286a55b9ba349b156ca1f2b24c074faac22db38", kill_on_drop: false }`
[INFO] [stdout] 0160c8d37b41de96eceeeb32c286a55b9ba349b156ca1f2b24c074faac22db38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ebc40f88a4c97a27d3f23bea4dedde1c10f8b6526bf06188432dc4b7bff953a3
[INFO] running `Command { std: "docker" "start" "-a" "ebc40f88a4c97a27d3f23bea4dedde1c10f8b6526bf06188432dc4b7bff953a3", kill_on_drop: false }`
[INFO] [stderr]     Checking oxiri v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde v1.0.179
[INFO] [stderr]    Compiling serde_derive v1.0.179
[INFO] [stderr]     Checking resiter v0.5.0
[INFO] [stderr]     Checking mownstr v0.2.1
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking oxilangtag v0.1.3
[INFO] [stderr]     Checking rio_api v0.8.4
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling peg-runtime v0.8.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rio_turtle v0.8.4
[INFO] [stderr]    Compiling peg-macros v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking peg v0.8.1
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking oxrdf v0.1.7
[INFO] [stderr]     Checking spargebra v0.2.8
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking sophia_iri v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_api v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_rio v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_term v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_isomorphism v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_c14n v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_inmem v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_turtle v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_resource v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia v0.8.0-alpha.3
[INFO] [stderr]     Checking sophia_sparql v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `SparqlBindings` is imported redundantly
[INFO] [stdout]  --> src/binding.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sophia::api::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `SparqlBindings` is already imported here
[INFO] [stdout] 6 | use sophia::api::sparql::SparqlBindings;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/number.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SparqlBindings` is imported redundantly
[INFO] [stdout]  --> src/binding.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sophia::api::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `SparqlBindings` is already imported here
[INFO] [stdout] 6 | use sophia::api::sparql::SparqlBindings;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/number.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 4.80s
[INFO] running `Command { std: "docker" "inspect" "ebc40f88a4c97a27d3f23bea4dedde1c10f8b6526bf06188432dc4b7bff953a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc40f88a4c97a27d3f23bea4dedde1c10f8b6526bf06188432dc4b7bff953a3", kill_on_drop: false }`
[INFO] [stdout] ebc40f88a4c97a27d3f23bea4dedde1c10f8b6526bf06188432dc4b7bff953a3
[INFO] checking sophia_sparql-0.1.0-alpha.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate sophia_sparql 0.1.0-alpha.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sophia_sparql 0.1.0-alpha.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 sophia_sparql 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate sophia_sparql 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate sophia_sparql 0.1.0-alpha.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate sophia_sparql 0.1.0-alpha.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 937f4ebae1a4962a0c74737d92cc449e5754853b535abff1930694a036be7356
[INFO] running `Command { std: "docker" "start" "-a" "937f4ebae1a4962a0c74737d92cc449e5754853b535abff1930694a036be7356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937f4ebae1a4962a0c74737d92cc449e5754853b535abff1930694a036be7356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937f4ebae1a4962a0c74737d92cc449e5754853b535abff1930694a036be7356", kill_on_drop: false }`
[INFO] [stdout] 937f4ebae1a4962a0c74737d92cc449e5754853b535abff1930694a036be7356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d1a92f0fe2e19b0d7c92732abc6bfcb69deec8b98857ee9898f3513a1e9378c8
[INFO] running `Command { std: "docker" "start" "-a" "d1a92f0fe2e19b0d7c92732abc6bfcb69deec8b98857ee9898f3513a1e9378c8", kill_on_drop: false }`
[INFO] [stderr]     Checking oxiri v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde v1.0.179
[INFO] [stderr]    Compiling serde_derive v1.0.179
[INFO] [stderr]     Checking mownstr v0.2.1
[INFO] [stderr]     Checking resiter v0.5.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking oxilangtag v0.1.3
[INFO] [stderr]     Checking rio_api v0.8.4
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling peg-runtime v0.8.1
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.179/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         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 `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d1a92f0fe2e19b0d7c92732abc6bfcb69deec8b98857ee9898f3513a1e9378c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a92f0fe2e19b0d7c92732abc6bfcb69deec8b98857ee9898f3513a1e9378c8", kill_on_drop: false }`
[INFO] [stdout] d1a92f0fe2e19b0d7c92732abc6bfcb69deec8b98857ee9898f3513a1e9378c8