[INFO] cloning repository https://github.com/0xadeeb/my-eXPL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xadeeb/my-eXPL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xadeeb%2Fmy-eXPL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xadeeb%2Fmy-eXPL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b22f852c2e31ba3b99e90f2990e850f970a6d4e
[INFO] checking 0xadeeb/my-eXPL against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xadeeb%2Fmy-eXPL" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xadeeb/my-eXPL on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xadeeb/my-eXPL
[INFO] finished tweaking git repo https://github.com/0xadeeb/my-eXPL
[INFO] tweaked toml for git repo https://github.com/0xadeeb/my-eXPL written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xadeeb/my-eXPL 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 ...
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded enum-iterator-derive v1.1.0
[INFO] [stderr]   Downloaded vob v3.0.2
[INFO] [stderr]   Downloaded vergen v7.4.4
[INFO] [stderr]   Downloaded cactus v1.0.6
[INFO] [stderr]   Downloaded filetime v0.2.19
[INFO] [stderr]   Downloaded lrlex v0.12.0
[INFO] [stderr]   Downloaded cfgrammar v0.12.0
[INFO] [stderr]   Downloaded lrpar v0.12.0
[INFO] [stderr]   Downloaded lrtable v0.12.0
[INFO] [stderr]   Downloaded pest v2.5.2
[INFO] [stderr]   Downloaded getset v0.1.2
[INFO] [stderr]   Downloaded sparsevec v0.1.4
[INFO] [stderr]   Downloaded packedvec v1.2.4
[INFO] [stderr]   Downloaded enum-iterator v1.1.3
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cec10dd5674b555c891c6d8a96ad1f8fcdb8817ca8e283b79af415eac863fbc
[INFO] running `Command { std: "docker" "start" "-a" "0cec10dd5674b555c891c6d8a96ad1f8fcdb8817ca8e283b79af415eac863fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cec10dd5674b555c891c6d8a96ad1f8fcdb8817ca8e283b79af415eac863fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cec10dd5674b555c891c6d8a96ad1f8fcdb8817ca8e283b79af415eac863fbc", kill_on_drop: false }`
[INFO] [stdout] 0cec10dd5674b555c891c6d8a96ad1f8fcdb8817ca8e283b79af415eac863fbc
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0373e864cbcc7de07037a9084745b63ebf47989a991f714a5e2a5b2362f76ab6
[INFO] running `Command { std: "docker" "start" "-a" "0373e864cbcc7de07037a9084745b63ebf47989a991f714a5e2a5b2362f76ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[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 thiserror v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling cactus v1.0.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 try_from v0.3.2
[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" "0373e864cbcc7de07037a9084745b63ebf47989a991f714a5e2a5b2362f76ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0373e864cbcc7de07037a9084745b63ebf47989a991f714a5e2a5b2362f76ab6", kill_on_drop: false }`
[INFO] [stdout] 0373e864cbcc7de07037a9084745b63ebf47989a991f714a5e2a5b2362f76ab6
