[INFO] fetching crate random-wall 1.0.0...
[INFO] testing random-wall-1.0.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate random-wall 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate random-wall 1.0.0
[INFO] finished tweaking crates.io crate random-wall 1.0.0
[INFO] tweaked toml for crates.io crate random-wall 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate random-wall 1.0.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate random-wall 1.0.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded instant v0.1.12
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[INFO] [stderr]   Downloaded tracing v0.1.37
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[INFO] [stderr]   Downloaded serde_derive v1.0.152
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[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
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[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
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[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded http v0.2.8
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded windows v0.39.0
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded rocket v0.5.0-rc.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.39.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded http-body v0.4.5
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.39.0
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded windows-sys v0.45.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd30ca0ec3ef5816b6a29201fdbf8a72e01ad5a83f20c9de180d227e4d8621bf
[INFO] running `Command { std: "docker" "start" "-a" "cd30ca0ec3ef5816b6a29201fdbf8a72e01ad5a83f20c9de180d227e4d8621bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd30ca0ec3ef5816b6a29201fdbf8a72e01ad5a83f20c9de180d227e4d8621bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd30ca0ec3ef5816b6a29201fdbf8a72e01ad5a83f20c9de180d227e4d8621bf", kill_on_drop: false }`
[INFO] [stdout] cd30ca0ec3ef5816b6a29201fdbf8a72e01ad5a83f20c9de180d227e4d8621bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e6e71a1bfebc3f1a367c8f70f2f87a5423f4a02975343b739149637b541326c
[INFO] running `Command { std: "docker" "start" "-a" "0e6e71a1bfebc3f1a367c8f70f2f87a5423f4a02975343b739149637b541326c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling try-lock v0.2.4
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e6e71a1bfebc3f1a367c8f70f2f87a5423f4a02975343b739149637b541326c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6e71a1bfebc3f1a367c8f70f2f87a5423f4a02975343b739149637b541326c", kill_on_drop: false }`
[INFO] [stdout] 0e6e71a1bfebc3f1a367c8f70f2f87a5423f4a02975343b739149637b541326c