[INFO] fetching crate combine-language 4.0.0...
[INFO] checking combine-language-4.0.0 against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] extracting crate combine-language 4.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate combine-language 4.0.0
[INFO] finished tweaking crates.io crate combine-language 4.0.0
[INFO] tweaked toml for crates.io crate combine-language 4.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate combine-language 4.0.0 on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding skeptic v0.9.0 (available: v0.13.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3ab1af7864da0fb4fe65196ca19df3c71789ff33aa0ca0ca972c494a1d67021
[INFO] running `Command { std: "docker" "start" "-a" "f3ab1af7864da0fb4fe65196ca19df3c71789ff33aa0ca0ca972c494a1d67021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ab1af7864da0fb4fe65196ca19df3c71789ff33aa0ca0ca972c494a1d67021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ab1af7864da0fb4fe65196ca19df3c71789ff33aa0ca0ca972c494a1d67021", kill_on_drop: false }`
[INFO] [stdout] f3ab1af7864da0fb4fe65196ca19df3c71789ff33aa0ca0ca972c494a1d67021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 107f738b35b411759c8a876c7bca5c0c82cd9f14688aea7d997715fe2de0b276
[INFO] running `Command { std: "docker" "start" "-a" "107f738b35b411759c8a876c7bca5c0c82cd9f14688aea7d997715fe2de0b276", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stdout] error[E0365]: `std` is only public within the crate, and cannot be re-exported outside
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitflags-0.5.0/src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use std as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ re-export of crate public `std`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider declaring type or module `std` with `pub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0365]: `std` is only public within the crate, and cannot be re-exported outside
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitflags-0.5.0/src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use std as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ re-export of crate public `std`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider declaring type or module `std` with `pub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "107f738b35b411759c8a876c7bca5c0c82cd9f14688aea7d997715fe2de0b276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107f738b35b411759c8a876c7bca5c0c82cd9f14688aea7d997715fe2de0b276", kill_on_drop: false }`
[INFO] [stdout] 107f738b35b411759c8a876c7bca5c0c82cd9f14688aea7d997715fe2de0b276
