[INFO] cloning repository https://github.com/b4ckspace/mac4nick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b4ckspace/mac4nick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb4ckspace%2Fmac4nick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb4ckspace%2Fmac4nick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef18d17ca8fc892cadd0a870344306038e7886bd
[INFO] checking b4ckspace/mac4nick against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb4ckspace%2Fmac4nick" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b4ckspace/mac4nick on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b4ckspace/mac4nick
[INFO] finished tweaking git repo https://github.com/b4ckspace/mac4nick
[INFO] tweaked toml for git repo https://github.com/b4ckspace/mac4nick written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/b4ckspace/mac4nick already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] f37a7fa5728d8cea5531ba8f53a50aa9ad4c4afad3aaf71006794e7a51974c2c
[INFO] running `Command { std: "docker" "start" "-a" "f37a7fa5728d8cea5531ba8f53a50aa9ad4c4afad3aaf71006794e7a51974c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f37a7fa5728d8cea5531ba8f53a50aa9ad4c4afad3aaf71006794e7a51974c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37a7fa5728d8cea5531ba8f53a50aa9ad4c4afad3aaf71006794e7a51974c2c", kill_on_drop: false }`
[INFO] [stdout] f37a7fa5728d8cea5531ba8f53a50aa9ad4c4afad3aaf71006794e7a51974c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8669781f0051b8c63e3cfd411fedac7c0ee3b2f193062b3c64153a2d08cab1e0
[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" "8669781f0051b8c63e3cfd411fedac7c0ee3b2f193062b3c64153a2d08cab1e0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures-util v0.3.8
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[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
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[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
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[INFO] [stderr]    Compiling rsa v0.3.0
[INFO] [stderr]     Checking async-session v2.0.1
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[INFO] [stdout] error[E0221]: ambiguous associated type `Cursor` in bounds of `DB`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sqlx-core-0.3.5/src/pool/executor.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         DB::Cursor::from_pool(self, query)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ ambiguous associated type `Cursor`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sqlx-core-0.3.5/src/cursor.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     type Cursor: Cursor<'c, 'q, Database = Self::Database>;
[INFO] [stdout]    |     -------------------------------------------------------
[INFO] [stdout]    |     |
[INFO] [stdout]    |     ambiguous `Cursor` from `for<'c, 'q> HasCursor<'c, 'q>`
[INFO] [stdout]    |     ambiguous `Cursor` from `for<'c, 'q> HasCursor<'c, 'q>`
[INFO] [stdout]    |
[INFO] [stdout] help: use fully qualified syntax to disambiguate
[INFO] [stdout]    |
[INFO] [stdout] 34 |         <DB as for<'c, 'q> HasCursor<'c, 'q>>::Cursor(self, query)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use fully qualified syntax to disambiguate
[INFO] [stdout]    |
[INFO] [stdout] 34 |         <DB as for<'c, 'q> HasCursor<'c, 'q>>::Cursor(self, query)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0221]: ambiguous associated type `Cursor` in bounds of `DB`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sqlx-core-0.3.5/src/pool/executor.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         DB::Cursor::from_pool(self, query)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ ambiguous associated type `Cursor`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sqlx-core-0.3.5/src/cursor.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     type Cursor: Cursor<'c, 'q, Database = Self::Database>;
[INFO] [stdout]    |     -------------------------------------------------------
[INFO] [stdout]    |     |
[INFO] [stdout]    |     ambiguous `Cursor` from `for<'c, 'q> HasCursor<'c, 'q>`
[INFO] [stdout]    |     ambiguous `Cursor` from `for<'c, 'q> HasCursor<'c, 'q>`
[INFO] [stdout]    |
[INFO] [stdout] help: use fully qualified syntax to disambiguate
[INFO] [stdout]    |
[INFO] [stdout] 62 |         <DB as for<'c, 'q> HasCursor<'c, 'q>>::Cursor(self, query)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use fully qualified syntax to disambiguate
[INFO] [stdout]    |
[INFO] [stdout] 62 |         <DB as for<'c, 'q> HasCursor<'c, 'q>>::Cursor(self, query)
[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 E0221`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sqlx-core`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8669781f0051b8c63e3cfd411fedac7c0ee3b2f193062b3c64153a2d08cab1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8669781f0051b8c63e3cfd411fedac7c0ee3b2f193062b3c64153a2d08cab1e0", kill_on_drop: false }`
[INFO] [stdout] 8669781f0051b8c63e3cfd411fedac7c0ee3b2f193062b3c64153a2d08cab1e0