[INFO] cloning repository https://github.com/nulldatamap/stackpile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nulldatamap/stackpile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fstackpile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fstackpile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d259f686ff687d8b54d6e2a615936c64f409a708
[INFO] checking nulldatamap/stackpile against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fstackpile" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nulldatamap/stackpile 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 git repo https://github.com/nulldatamap/stackpile
[INFO] finished tweaking git repo https://github.com/nulldatamap/stackpile
[INFO] tweaked toml for git repo https://github.com/nulldatamap/stackpile written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nulldatamap/stackpile 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 03e2382b4b54deb0aa26ffd0cd5ba7039a179e1221151d59a69b60ae2408c51d
[INFO] running `Command { std: "docker" "start" "-a" "03e2382b4b54deb0aa26ffd0cd5ba7039a179e1221151d59a69b60ae2408c51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03e2382b4b54deb0aa26ffd0cd5ba7039a179e1221151d59a69b60ae2408c51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e2382b4b54deb0aa26ffd0cd5ba7039a179e1221151d59a69b60ae2408c51d", kill_on_drop: false }`
[INFO] [stdout] 03e2382b4b54deb0aa26ffd0cd5ba7039a179e1221151d59a69b60ae2408c51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51ddd805c66d49ff3a0e6036f5cf6333eb3760d907dece59f5f84a6ecad37975
[INFO] running `Command { std: "docker" "start" "-a" "51ddd805c66d49ff3a0e6036f5cf6333eb3760d907dece59f5f84a6ecad37975", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking num_cpus v0.2.5
[INFO] [stderr]     Checking stackpile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `collections_drain`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections_drain`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> src/task.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push_all( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> src/task.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push_all( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stackpile` (bin "stackpile" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `stackpile` (bin "stackpile") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "51ddd805c66d49ff3a0e6036f5cf6333eb3760d907dece59f5f84a6ecad37975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ddd805c66d49ff3a0e6036f5cf6333eb3760d907dece59f5f84a6ecad37975", kill_on_drop: false }`
[INFO] [stdout] 51ddd805c66d49ff3a0e6036f5cf6333eb3760d907dece59f5f84a6ecad37975