[INFO] fetching crate pretend 0.4.0...
[INFO] checking pretend-0.4.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate pretend 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pretend 0.4.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretend 0.4.0
[INFO] finished tweaking crates.io crate pretend 0.4.0
[INFO] tweaked toml for crates.io crate pretend 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate pretend 0.4.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded pretend-codegen v0.4.0
[INFO] [stderr]   Downloaded actix-threadpool v0.3.3
[INFO] [stderr]   Downloaded actix-macros v0.1.3
[INFO] [stderr]   Downloaded actix-testing v1.0.1
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded actix-router v0.2.7
[INFO] [stderr]   Downloaded actix-codec v0.3.0
[INFO] [stderr]   Downloaded actix-web-codegen v0.4.0
[INFO] [stderr]   Downloaded bytestring v1.2.0
[INFO] [stderr]   Downloaded actix-server v1.0.4
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.7
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.7
[INFO] [stderr]   Downloaded actix-http v2.2.2
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded actix-web v3.3.3
[INFO] [stderr]   Downloaded actix-tls v2.0.0
[INFO] [stderr]   Downloaded actix-service v1.0.6
[INFO] [stderr]   Downloaded awc v2.0.3
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded actix-connect v2.0.0
[INFO] [stderr]   Downloaded actix-utils v2.0.0
[INFO] [stderr]   Downloaded actix-rt v1.1.1
[INFO] [stderr]   Downloaded copyless v0.1.5
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded trybuild v1.0.77
[INFO] [stderr]   Downloaded basic-toml v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 886a35803efed0d29b9545fc8bf1566f31d6d74e3b3be651690f67054b4b3c94
[INFO] running `Command { std: "docker" "start" "-a" "886a35803efed0d29b9545fc8bf1566f31d6d74e3b3be651690f67054b4b3c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "886a35803efed0d29b9545fc8bf1566f31d6d74e3b3be651690f67054b4b3c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886a35803efed0d29b9545fc8bf1566f31d6d74e3b3be651690f67054b4b3c94", kill_on_drop: false }`
[INFO] [stdout] 886a35803efed0d29b9545fc8bf1566f31d6d74e3b3be651690f67054b4b3c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e24dc944c5f8859c1a31d953c9aeddb2e701453f6b76fb7290ce4a440200ad95
[INFO] running `Command { std: "docker" "start" "-a" "e24dc944c5f8859c1a31d953c9aeddb2e701453f6b76fb7290ce4a440200ad95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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]     Checking ryu v1.0.12
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[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" "e24dc944c5f8859c1a31d953c9aeddb2e701453f6b76fb7290ce4a440200ad95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24dc944c5f8859c1a31d953c9aeddb2e701453f6b76fb7290ce4a440200ad95", kill_on_drop: false }`
[INFO] [stdout] e24dc944c5f8859c1a31d953c9aeddb2e701453f6b76fb7290ce4a440200ad95