[INFO] fetching crate fg 0.1.4...
[INFO] checking fg-0.1.4 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate fg 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fg 0.1.4 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fg 0.1.4
[INFO] finished tweaking crates.io crate fg 0.1.4
[INFO] tweaked toml for crates.io crate fg 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate fg 0.1.4 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a6f67dbf96ac48054b6a87414663efd17c6a34f01386f75d31ac891925a0343
[INFO] running `Command { std: "docker" "start" "-a" "6a6f67dbf96ac48054b6a87414663efd17c6a34f01386f75d31ac891925a0343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a6f67dbf96ac48054b6a87414663efd17c6a34f01386f75d31ac891925a0343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6f67dbf96ac48054b6a87414663efd17c6a34f01386f75d31ac891925a0343", kill_on_drop: false }`
[INFO] [stdout] 6a6f67dbf96ac48054b6a87414663efd17c6a34f01386f75d31ac891925a0343
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418690e7e93e79dfd2392ab28306f125acf0f6ec960b473b8bc795726a77b2bb
[INFO] running `Command { std: "docker" "start" "-a" "418690e7e93e79dfd2392ab28306f125acf0f6ec960b473b8bc795726a77b2bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking fg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: at compile-time, pointers do not have an integer value, so these casts cannot be properly supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: at compile-time, pointers do not have an integer value, so these casts cannot be properly supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `ptr_wrapping_offset_from`
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `ptr_wrapping_offset_from`
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset(*commandPtr)
[INFO] [stdout]     |                                                  ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset(*commandPtr)
[INFO] [stdout]     |                                                  ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fg` (bin "fg") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fg` (bin "fg" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "418690e7e93e79dfd2392ab28306f125acf0f6ec960b473b8bc795726a77b2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418690e7e93e79dfd2392ab28306f125acf0f6ec960b473b8bc795726a77b2bb", kill_on_drop: false }`
[INFO] [stdout] 418690e7e93e79dfd2392ab28306f125acf0f6ec960b473b8bc795726a77b2bb