[INFO] fetching crate tweet 0.3.0...
[INFO] testing tweet-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tweet 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tweet 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tweet 0.3.0
[INFO] finished tweaking crates.io crate tweet 0.3.0
[INFO] tweaked toml for crates.io crate tweet 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 0d759c98f8f57887ec8394ae42a4367598cbcf57bc366b36bf4eb8c4ce67b0cb
[INFO] running `Command { std: "docker" "start" "-a" "0d759c98f8f57887ec8394ae42a4367598cbcf57bc366b36bf4eb8c4ce67b0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d759c98f8f57887ec8394ae42a4367598cbcf57bc366b36bf4eb8c4ce67b0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d759c98f8f57887ec8394ae42a4367598cbcf57bc366b36bf4eb8c4ce67b0cb", kill_on_drop: false }`
[INFO] [stdout] 0d759c98f8f57887ec8394ae42a4367598cbcf57bc366b36bf4eb8c4ce67b0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d488d45629b780b686781d065ba119211faab1e5bc1e78942af6b0878f4332
[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" "d0d488d45629b780b686781d065ba119211faab1e5bc1e78942af6b0878f4332", kill_on_drop: false }`
[INFO] [stderr]    Compiling tweet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "d0d488d45629b780b686781d065ba119211faab1e5bc1e78942af6b0878f4332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d488d45629b780b686781d065ba119211faab1e5bc1e78942af6b0878f4332", kill_on_drop: false }`
[INFO] [stdout] d0d488d45629b780b686781d065ba119211faab1e5bc1e78942af6b0878f4332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e128df783ed77c789934a9c530a3eeb5de52340549ff44864c4a3597afb5712f
[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" "e128df783ed77c789934a9c530a3eeb5de52340549ff44864c4a3597afb5712f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tweet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "e128df783ed77c789934a9c530a3eeb5de52340549ff44864c4a3597afb5712f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e128df783ed77c789934a9c530a3eeb5de52340549ff44864c4a3597afb5712f", kill_on_drop: false }`
[INFO] [stdout] e128df783ed77c789934a9c530a3eeb5de52340549ff44864c4a3597afb5712f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 4b537436eaa7278697c1bf1272ac5fbc16bf5436959cf48b9bfa6edd21d58ed7
[INFO] running `Command { std: "docker" "start" "-a" "4b537436eaa7278697c1bf1272ac5fbc16bf5436959cf48b9bfa6edd21d58ed7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tweet-45a78de3c1a996ad)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tweet
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `tweet` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/model/mod.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub use tweet::{ExtendedTweet, Tweet};
[INFO] [stderr]    |         ^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `tweet` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::tweet` to refer to this crate unambiguously
[INFO] [stderr] note: `tweet` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/model/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | mod tweet;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    = help: use `self::tweet` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4b537436eaa7278697c1bf1272ac5fbc16bf5436959cf48b9bfa6edd21d58ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b537436eaa7278697c1bf1272ac5fbc16bf5436959cf48b9bfa6edd21d58ed7", kill_on_drop: false }`
[INFO] [stdout] 4b537436eaa7278697c1bf1272ac5fbc16bf5436959cf48b9bfa6edd21d58ed7