[INFO] fetching crate alloc_system 0.1.2...
[INFO] checking alloc_system-0.1.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate alloc_system 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate alloc_system 0.1.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alloc_system 0.1.2
[INFO] finished tweaking crates.io crate alloc_system 0.1.2
[INFO] tweaked toml for crates.io crate alloc_system 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 774fa030f16012a3110f12721036c944cd00e58a1160f6c721184be3fa6b3339
[INFO] running `Command { std: "docker" "start" "-a" "774fa030f16012a3110f12721036c944cd00e58a1160f6c721184be3fa6b3339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "774fa030f16012a3110f12721036c944cd00e58a1160f6c721184be3fa6b3339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774fa030f16012a3110f12721036c944cd00e58a1160f6c721184be3fa6b3339", kill_on_drop: false }`
[INFO] [stdout] 774fa030f16012a3110f12721036c944cd00e58a1160f6c721184be3fa6b3339
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96971347755d318f64dab6d204e5ff483dfe13d7a2475fd35443ccba70b73e28
[INFO] running `Command { std: "docker" "start" "-a" "96971347755d318f64dab6d204e5ff483dfe13d7a2475fd35443ccba70b73e28", kill_on_drop: false }`
[INFO] [stderr]     Checking alloc_system v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `allocator` in this scope
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allocator]
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `allocator` in this scope
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allocator]
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alloc_system` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `alloc_system` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "96971347755d318f64dab6d204e5ff483dfe13d7a2475fd35443ccba70b73e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96971347755d318f64dab6d204e5ff483dfe13d7a2475fd35443ccba70b73e28", kill_on_drop: false }`
[INFO] [stdout] 96971347755d318f64dab6d204e5ff483dfe13d7a2475fd35443ccba70b73e28
[INFO] checking alloc_system-0.1.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate alloc_system 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate alloc_system 0.1.2 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alloc_system 0.1.2
[INFO] finished tweaking crates.io crate alloc_system 0.1.2
[INFO] tweaked toml for crates.io crate alloc_system 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06e42cb7cb3863bb34d7dff73e055d62f383c5c89a7d4e5a645980dbb4fa4a5a
[INFO] running `Command { std: "docker" "start" "-a" "06e42cb7cb3863bb34d7dff73e055d62f383c5c89a7d4e5a645980dbb4fa4a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06e42cb7cb3863bb34d7dff73e055d62f383c5c89a7d4e5a645980dbb4fa4a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e42cb7cb3863bb34d7dff73e055d62f383c5c89a7d4e5a645980dbb4fa4a5a", kill_on_drop: false }`
[INFO] [stdout] 06e42cb7cb3863bb34d7dff73e055d62f383c5c89a7d4e5a645980dbb4fa4a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59e6979535fa05e6a4815cab00732aeb2d0420744d2ccdad5e9dd591fc80ecbd
[INFO] running `Command { std: "docker" "start" "-a" "59e6979535fa05e6a4815cab00732aeb2d0420744d2ccdad5e9dd591fc80ecbd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "59e6979535fa05e6a4815cab00732aeb2d0420744d2ccdad5e9dd591fc80ecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e6979535fa05e6a4815cab00732aeb2d0420744d2ccdad5e9dd591fc80ecbd", kill_on_drop: false }`
[INFO] [stdout] 59e6979535fa05e6a4815cab00732aeb2d0420744d2ccdad5e9dd591fc80ecbd