[INFO] fetching crate hashtag 1.0.1...
[INFO] testing hashtag-1.0.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate hashtag 1.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate hashtag 1.0.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashtag 1.0.1
[INFO] finished tweaking crates.io crate hashtag 1.0.1
[INFO] tweaked toml for crates.io crate hashtag 1.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate hashtag 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be186d71cc48f2aeca8b6d7cea70bd9237f016d180ac67f41feb8f53be94bc44
[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" "be186d71cc48f2aeca8b6d7cea70bd9237f016d180ac67f41feb8f53be94bc44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be186d71cc48f2aeca8b6d7cea70bd9237f016d180ac67f41feb8f53be94bc44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be186d71cc48f2aeca8b6d7cea70bd9237f016d180ac67f41feb8f53be94bc44", kill_on_drop: false }`
[INFO] [stdout] be186d71cc48f2aeca8b6d7cea70bd9237f016d180ac67f41feb8f53be94bc44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] cba933442ef1615868deb8245a6553d7d3fe30ffbbb26403222ffbb087925fac
[INFO] running `Command { std: "docker" "start" "-a" "cba933442ef1615868deb8245a6553d7d3fe30ffbbb26403222ffbb087925fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashtag v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "cba933442ef1615868deb8245a6553d7d3fe30ffbbb26403222ffbb087925fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba933442ef1615868deb8245a6553d7d3fe30ffbbb26403222ffbb087925fac", kill_on_drop: false }`
[INFO] [stdout] cba933442ef1615868deb8245a6553d7d3fe30ffbbb26403222ffbb087925fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08839a57767409c9fdbaadf8843cd9a2572476d713a84124cc6623a2e2556cfd
[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" "08839a57767409c9fdbaadf8843cd9a2572476d713a84124cc6623a2e2556cfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling hashtag v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> tests/integration_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]   --> tests/integration_test.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]   --> tests/integration_test.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]   --> tests/integration_test.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]   --> tests/integration_test.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/integration_test.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `HashtagTest: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> tests/integration_test.rs:20:9
[INFO] [stdout]      |
[INFO] [stdout] 20   |         serde_json::from_str(&contents).expect("Failed to parse json");
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `HashtagTest`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.62/src/de.rs:2584:8
[INFO] [stdout]      |
[INFO] [stdout] 2584 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ------------------- required by this bound in `serde_json::from_str`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `serde::de::Deserialize<'_>` for `Vec<HashtagTest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashtag` due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "08839a57767409c9fdbaadf8843cd9a2572476d713a84124cc6623a2e2556cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08839a57767409c9fdbaadf8843cd9a2572476d713a84124cc6623a2e2556cfd", kill_on_drop: false }`
[INFO] [stdout] 08839a57767409c9fdbaadf8843cd9a2572476d713a84124cc6623a2e2556cfd