[INFO] fetching crate magicpak 1.4.0...
[INFO] checking magicpak-1.4.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate magicpak 1.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate magicpak 1.4.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate magicpak 1.4.0
[INFO] finished tweaking crates.io crate magicpak 1.4.0
[INFO] tweaked toml for crates.io crate magicpak 1.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate magicpak 1.4.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crt0stack v0.1.0
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] [stderr]   Downloaded predicates v2.1.4
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded assert_fs v1.0.10
[INFO] [stderr]   Downloaded assert_cmd v2.0.7
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded goblin v0.6.0
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded bstr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b884dca682daba4043b05dde7af4595d52ead2af71be4b005a92865a16f2495
[INFO] running `Command { std: "docker" "start" "-a" "6b884dca682daba4043b05dde7af4595d52ead2af71be4b005a92865a16f2495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b884dca682daba4043b05dde7af4595d52ead2af71be4b005a92865a16f2495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b884dca682daba4043b05dde7af4595d52ead2af71be4b005a92865a16f2495", kill_on_drop: false }`
[INFO] [stdout] 6b884dca682daba4043b05dde7af4595d52ead2af71be4b005a92865a16f2495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e929c9ab3acc25206f50e9b0b74c474853c7cce9664c41f0ad257f108ff5ec14
[INFO] running `Command { std: "docker" "start" "-a" "e929c9ab3acc25206f50e9b0b74c474853c7cce9664c41f0ad257f108ff5ec14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling rustix v0.36.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking predicates-core v1.0.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 overload v0.1.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[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" "e929c9ab3acc25206f50e9b0b74c474853c7cce9664c41f0ad257f108ff5ec14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e929c9ab3acc25206f50e9b0b74c474853c7cce9664c41f0ad257f108ff5ec14", kill_on_drop: false }`
[INFO] [stdout] e929c9ab3acc25206f50e9b0b74c474853c7cce9664c41f0ad257f108ff5ec14
