[INFO] cloning repository https://github.com/tadic-luka/kpcli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tadic-luka/kpcli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadic-luka%2Fkpcli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadic-luka%2Fkpcli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6b3fbddf753aae32e4ef081cc3f3960581eb34
[INFO] checking tadic-luka/kpcli against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadic-luka%2Fkpcli" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tadic-luka/kpcli on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tadic-luka/kpcli
[INFO] finished tweaking git repo https://github.com/tadic-luka/kpcli
[INFO] tweaked toml for git repo https://github.com/tadic-luka/kpcli written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tadic-luka/kpcli 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keepass v0.6.6
[INFO] [stderr]   Downloaded block-modes v0.9.1
[INFO] [stderr]   Downloaded totp-rs v4.2.0
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d594af144d5a04b4e20d532c53a80ca8f094f1c531c535622e6eca8cc8a3bcdb
[INFO] running `Command { std: "docker" "start" "-a" "d594af144d5a04b4e20d532c53a80ca8f094f1c531c535622e6eca8cc8a3bcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d594af144d5a04b4e20d532c53a80ca8f094f1c531c535622e6eca8cc8a3bcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d594af144d5a04b4e20d532c53a80ca8f094f1c531c535622e6eca8cc8a3bcdb", kill_on_drop: false }`
[INFO] [stdout] d594af144d5a04b4e20d532c53a80ca8f094f1c531c535622e6eca8cc8a3bcdb
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 241432f8e5ddc661de2b9f140fd0ca7278c78f11662a71ad09c8e4014d627f6f
[INFO] running `Command { std: "docker" "start" "-a" "241432f8e5ddc661de2b9f140fd0ca7278c78f11662a71ad09c8e4014d627f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling num-traits v0.2.15
[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" "241432f8e5ddc661de2b9f140fd0ca7278c78f11662a71ad09c8e4014d627f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241432f8e5ddc661de2b9f140fd0ca7278c78f11662a71ad09c8e4014d627f6f", kill_on_drop: false }`
[INFO] [stdout] 241432f8e5ddc661de2b9f140fd0ca7278c78f11662a71ad09c8e4014d627f6f