[INFO] fetching crate assert_fn 1.0.7...
[INFO] testing assert_fn-1.0.7 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate assert_fn 1.0.7 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate assert_fn 1.0.7 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assert_fn 1.0.7
[INFO] finished tweaking crates.io crate assert_fn 1.0.7
[INFO] tweaked toml for crates.io crate assert_fn 1.0.7 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef8e7b25ecf10e38ed068db3d3ae62972155921b3b63e83f3f8f08fc39e0f2ca
[INFO] running `Command { std: "docker" "start" "-a" "ef8e7b25ecf10e38ed068db3d3ae62972155921b3b63e83f3f8f08fc39e0f2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8e7b25ecf10e38ed068db3d3ae62972155921b3b63e83f3f8f08fc39e0f2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8e7b25ecf10e38ed068db3d3ae62972155921b3b63e83f3f8f08fc39e0f2ca", kill_on_drop: false }`
[INFO] [stdout] ef8e7b25ecf10e38ed068db3d3ae62972155921b3b63e83f3f8f08fc39e0f2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da7921de4e489bfefa6acbb401bc5519c84c1604d71e29e812e9e4ec4f627a7d
[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" "da7921de4e489bfefa6acbb401bc5519c84c1604d71e29e812e9e4ec4f627a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling assert_fn v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.34s
[INFO] running `Command { std: "docker" "inspect" "da7921de4e489bfefa6acbb401bc5519c84c1604d71e29e812e9e4ec4f627a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7921de4e489bfefa6acbb401bc5519c84c1604d71e29e812e9e4ec4f627a7d", kill_on_drop: false }`
[INFO] [stdout] da7921de4e489bfefa6acbb401bc5519c84c1604d71e29e812e9e4ec4f627a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66bbc74efd12ea8608547440a0af3816a829f7569735422706a3c9db7d24b988
[INFO] running `Command { std: "docker" "start" "-a" "66bbc74efd12ea8608547440a0af3816a829f7569735422706a3c9db7d24b988", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling assert_fn v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test_helpers`
[INFO] [stdout]  --> tests/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use test_helpers::{catch_panic_message, PanicMessage};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `test_helpers`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `assert_fn` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "66bbc74efd12ea8608547440a0af3816a829f7569735422706a3c9db7d24b988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bbc74efd12ea8608547440a0af3816a829f7569735422706a3c9db7d24b988", kill_on_drop: false }`
[INFO] [stdout] 66bbc74efd12ea8608547440a0af3816a829f7569735422706a3c9db7d24b988