[INFO] fetching crate npx-bin-helper 0.2.0...
[INFO] testing npx-bin-helper-0.2.0 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate npx-bin-helper 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate npx-bin-helper 0.2.0 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate npx-bin-helper 0.2.0
[INFO] finished tweaking crates.io crate npx-bin-helper 0.2.0
[INFO] tweaked toml for crates.io crate npx-bin-helper 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate npx-bin-helper 0.2.0 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d299637a0326ba2eb9bc806c0c2ac360a97a3389a4d46a92b81d5ab2940f8b
[INFO] running `Command { std: "docker" "start" "-a" "d2d299637a0326ba2eb9bc806c0c2ac360a97a3389a4d46a92b81d5ab2940f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d299637a0326ba2eb9bc806c0c2ac360a97a3389a4d46a92b81d5ab2940f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d299637a0326ba2eb9bc806c0c2ac360a97a3389a4d46a92b81d5ab2940f8b", kill_on_drop: false }`
[INFO] [stdout] d2d299637a0326ba2eb9bc806c0c2ac360a97a3389a4d46a92b81d5ab2940f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc47ffe2e5a512609854022ca8e2c3163157b789bf702481d333c7b5dd0fc18b
[INFO] running `Command { std: "docker" "start" "-a" "cc47ffe2e5a512609854022ca8e2c3163157b789bf702481d333c7b5dd0fc18b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling xflags-macros v0.3.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling xflags v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling env_logger v0.9.1
[INFO] [stderr]    Compiling npx-bin-helper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "cc47ffe2e5a512609854022ca8e2c3163157b789bf702481d333c7b5dd0fc18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc47ffe2e5a512609854022ca8e2c3163157b789bf702481d333c7b5dd0fc18b", kill_on_drop: false }`
[INFO] [stdout] cc47ffe2e5a512609854022ca8e2c3163157b789bf702481d333c7b5dd0fc18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc0c731595b95cf38979c2fc4f6b64605f6b74a74538aa193b251b0d32651eb2
[INFO] running `Command { std: "docker" "start" "-a" "cc0c731595b95cf38979c2fc4f6b64605f6b74a74538aa193b251b0d32651eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[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]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-io v0.3.25
[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" "cc0c731595b95cf38979c2fc4f6b64605f6b74a74538aa193b251b0d32651eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0c731595b95cf38979c2fc4f6b64605f6b74a74538aa193b251b0d32651eb2", kill_on_drop: false }`
[INFO] [stdout] cc0c731595b95cf38979c2fc4f6b64605f6b74a74538aa193b251b0d32651eb2