[INFO] fetching crate arg_ripper 0.1.0...
[INFO] checking arg_ripper-0.1.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate arg_ripper 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate arg_ripper 0.1.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_ripper 0.1.0
[INFO] finished tweaking crates.io crate arg_ripper 0.1.0
[INFO] tweaked toml for crates.io crate arg_ripper 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate arg_ripper 0.1.0 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded fragile v2.0.0
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded mockall v0.11.4
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.88
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded openssl v0.10.54
[INFO] [stderr]   Downloaded rustix v0.37.20
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] [stderr]   Downloaded h2 v0.3.19
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded security-framework v2.9.1
[INFO] [stderr]   Downloaded reqwest v0.11.18
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded ipnet v2.7.2
[INFO] [stderr]   Downloaded security-framework-sys v2.9.0
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cefabccc8f910537e0454b3338e620c9821f88b00577c3b91ec7131406c640dd
[INFO] running `Command { std: "docker" "start" "-a" "cefabccc8f910537e0454b3338e620c9821f88b00577c3b91ec7131406c640dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cefabccc8f910537e0454b3338e620c9821f88b00577c3b91ec7131406c640dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefabccc8f910537e0454b3338e620c9821f88b00577c3b91ec7131406c640dd", kill_on_drop: false }`
[INFO] [stdout] cefabccc8f910537e0454b3338e620c9821f88b00577c3b91ec7131406c640dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea21fb0c5edb8d13676ed982382f4f2e7802fb27049a4410a3490673c7099d4
[INFO] running `Command { std: "docker" "start" "-a" "6ea21fb0c5edb8d13676ed982382f4f2e7802fb27049a4410a3490673c7099d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6ea21fb0c5edb8d13676ed982382f4f2e7802fb27049a4410a3490673c7099d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea21fb0c5edb8d13676ed982382f4f2e7802fb27049a4410a3490673c7099d4", kill_on_drop: false }`
[INFO] [stdout] 6ea21fb0c5edb8d13676ed982382f4f2e7802fb27049a4410a3490673c7099d4
