[INFO] fetching crate mksite 0.1.2...
[INFO] checking mksite-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mksite 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mksite 0.1.2
[INFO] finished tweaking crates.io crate mksite 0.1.2
[INFO] tweaked toml for crates.io crate mksite 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mksite 0.1.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mksite 0.1.2 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45070ae6a2ad4144b2c1fdb26986572d854766ff6972052ec914ba39851ac541
[INFO] running `Command { std: "docker" "start" "-a" "45070ae6a2ad4144b2c1fdb26986572d854766ff6972052ec914ba39851ac541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45070ae6a2ad4144b2c1fdb26986572d854766ff6972052ec914ba39851ac541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45070ae6a2ad4144b2c1fdb26986572d854766ff6972052ec914ba39851ac541", kill_on_drop: false }`
[INFO] [stdout] 45070ae6a2ad4144b2c1fdb26986572d854766ff6972052ec914ba39851ac541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77aa3afa10927f61531737439fdfefe3e8cb49c1ab2006262ae1820b7cd3bbee
[INFO] running `Command { std: "docker" "start" "-a" "77aa3afa10927f61531737439fdfefe3e8cb49c1ab2006262ae1820b7cd3bbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking phf_shared v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking fern v0.6.1
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unic-segment v0.9.0
[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" "77aa3afa10927f61531737439fdfefe3e8cb49c1ab2006262ae1820b7cd3bbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77aa3afa10927f61531737439fdfefe3e8cb49c1ab2006262ae1820b7cd3bbee", kill_on_drop: false }`
[INFO] [stdout] 77aa3afa10927f61531737439fdfefe3e8cb49c1ab2006262ae1820b7cd3bbee