[INFO] fetching crate hacspec 0.2.0-beta.4...
[INFO] checking hacspec-0.2.0-beta.4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate hacspec 0.2.0-beta.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hacspec 0.2.0-beta.4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate hacspec 0.2.0-beta.4
[INFO] finished tweaking crates.io crate hacspec 0.2.0-beta.4
[INFO] tweaked toml for crates.io crate hacspec 0.2.0-beta.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hacspec 0.2.0-beta.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cee7487855f951bae7918361f20c533b69f2c6fd7cfa73cafb9bf3d4b754cca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cee7487855f951bae7918361f20c533b69f2c6fd7cfa73cafb9bf3d4b754cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cee7487855f951bae7918361f20c533b69f2c6fd7cfa73cafb9bf3d4b754cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cee7487855f951bae7918361f20c533b69f2c6fd7cfa73cafb9bf3d4b754cca", kill_on_drop: false }`
[INFO] [stdout] 1cee7487855f951bae7918361f20c533b69f2c6fd7cfa73cafb9bf3d4b754cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1cc17d1306ff0a29cbbea7fa15abc19573348139023c760f30dde77d38a7f04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1cc17d1306ff0a29cbbea7fa15abc19573348139023c760f30dde77d38a7f04", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking sized-chunks v0.6.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hacspec-util v0.1.0-beta.1
[INFO] [stderr]     Checking hacspec v0.2.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_ast;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hacspec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_ast;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1cc17d1306ff0a29cbbea7fa15abc19573348139023c760f30dde77d38a7f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cc17d1306ff0a29cbbea7fa15abc19573348139023c760f30dde77d38a7f04", kill_on_drop: false }`
[INFO] [stdout] b1cc17d1306ff0a29cbbea7fa15abc19573348139023c760f30dde77d38a7f04