[INFO] fetching crate ecrs 0.1.0-beta.4...
[INFO] checking ecrs-0.1.0-beta.4 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate ecrs 0.1.0-beta.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ecrs 0.1.0-beta.4 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ecrs 0.1.0-beta.4
[INFO] finished tweaking crates.io crate ecrs 0.1.0-beta.4
[INFO] tweaked toml for crates.io crate ecrs 0.1.0-beta.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ecrs 0.1.0-beta.4 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded len-trait v0.6.1
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded typemap-ors v1.0.0
[INFO] [stderr]   Downloaded unsafe-any-ors v1.0.0
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded destructure_traitobject v0.2.0
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded push-trait v0.6.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
[INFO] [stderr]   Downloaded log4rs v1.2.0
[INFO] [stderr]   Downloaded cxx-build v1.0.94
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded wide v0.7.8
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded cxx v1.0.94
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded nalgebra v0.32.2
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f0716ac4070653ad932903507140ce6e01137b4763ee4493766578bc6051c9d
[INFO] running `Command { std: "docker" "start" "-a" "1f0716ac4070653ad932903507140ce6e01137b4763ee4493766578bc6051c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0716ac4070653ad932903507140ce6e01137b4763ee4493766578bc6051c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0716ac4070653ad932903507140ce6e01137b4763ee4493766578bc6051c9d", kill_on_drop: false }`
[INFO] [stdout] 1f0716ac4070653ad932903507140ce6e01137b4763ee4493766578bc6051c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dde2bdc011c4c11d6d5e646663932f24a1e30444572a448a5dbcf16136926c95
[INFO] running `Command { std: "docker" "start" "-a" "dde2bdc011c4c11d6d5e646663932f24a1e30444572a448a5dbcf16136926c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[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 itoa v1.0.6
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]     Checking either v1.8.1
[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]    Compiling memchr v2.5.0
[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] running `Command { std: "docker" "inspect" "dde2bdc011c4c11d6d5e646663932f24a1e30444572a448a5dbcf16136926c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde2bdc011c4c11d6d5e646663932f24a1e30444572a448a5dbcf16136926c95", kill_on_drop: false }`
[INFO] [stdout] dde2bdc011c4c11d6d5e646663932f24a1e30444572a448a5dbcf16136926c95
[INFO] checking ecrs-0.1.0-beta.4 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate ecrs 0.1.0-beta.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ecrs 0.1.0-beta.4 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ecrs 0.1.0-beta.4
[INFO] finished tweaking crates.io crate ecrs 0.1.0-beta.4
[INFO] tweaked toml for crates.io crate ecrs 0.1.0-beta.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ecrs 0.1.0-beta.4 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c62672eba356f10c581af5ac778d2018a9fee5b8594417f6c27a7f6db87e1d7
[INFO] running `Command { std: "docker" "start" "-a" "3c62672eba356f10c581af5ac778d2018a9fee5b8594417f6c27a7f6db87e1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c62672eba356f10c581af5ac778d2018a9fee5b8594417f6c27a7f6db87e1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c62672eba356f10c581af5ac778d2018a9fee5b8594417f6c27a7f6db87e1d7", kill_on_drop: false }`
[INFO] [stdout] 3c62672eba356f10c581af5ac778d2018a9fee5b8594417f6c27a7f6db87e1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0ca4ce5b319d1bc4fe5d7393df2ef208109669953def2bfc706efd48576a3b
[INFO] running `Command { std: "docker" "start" "-a" "2b0ca4ce5b319d1bc4fe5d7393df2ef208109669953def2bfc706efd48576a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling rustix v0.37.13
[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 linux-raw-sys v0.3.7
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking either v1.8.1
[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] running `Command { std: "docker" "inspect" "2b0ca4ce5b319d1bc4fe5d7393df2ef208109669953def2bfc706efd48576a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0ca4ce5b319d1bc4fe5d7393df2ef208109669953def2bfc706efd48576a3b", kill_on_drop: false }`
[INFO] [stdout] 2b0ca4ce5b319d1bc4fe5d7393df2ef208109669953def2bfc706efd48576a3b
