[INFO] cloning repository https://github.com/bnoordhuis/shared_ptr-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bnoordhuis/shared_ptr-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnoordhuis%2Fshared_ptr-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnoordhuis%2Fshared_ptr-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef48e10695db567f078e37719f0361f95e4f8004
[INFO] testing bnoordhuis/shared_ptr-rs against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnoordhuis%2Fshared_ptr-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bnoordhuis/shared_ptr-rs on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bnoordhuis/shared_ptr-rs
[INFO] finished tweaking git repo https://github.com/bnoordhuis/shared_ptr-rs
[INFO] tweaked toml for git repo https://github.com/bnoordhuis/shared_ptr-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bnoordhuis/shared_ptr-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c2e1578701f48f7c879e9801bb3e1d243935af14e1d74cde0b327732601935
[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" "f6c2e1578701f48f7c879e9801bb3e1d243935af14e1d74cde0b327732601935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c2e1578701f48f7c879e9801bb3e1d243935af14e1d74cde0b327732601935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c2e1578701f48f7c879e9801bb3e1d243935af14e1d74cde0b327732601935", kill_on_drop: false }`
[INFO] [stdout] f6c2e1578701f48f7c879e9801bb3e1d243935af14e1d74cde0b327732601935
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91aa563fe099e35cc82b487750e122f7bff53bf5e5bf475fbaa5f54eb2b5ceb8
[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" "91aa563fe099e35cc82b487750e122f7bff53bf5e5bf475fbaa5f54eb2b5ceb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling shared-ptr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "91aa563fe099e35cc82b487750e122f7bff53bf5e5bf475fbaa5f54eb2b5ceb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91aa563fe099e35cc82b487750e122f7bff53bf5e5bf475fbaa5f54eb2b5ceb8", kill_on_drop: false }`
[INFO] [stdout] 91aa563fe099e35cc82b487750e122f7bff53bf5e5bf475fbaa5f54eb2b5ceb8
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 5cf1d93758e1c0692f90c4a3fc7cfc2b3b854f791c5936866035b52584385103
[INFO] running `Command { std: "docker" "start" "-a" "5cf1d93758e1c0692f90c4a3fc7cfc2b3b854f791c5936866035b52584385103", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared-ptr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0605]: non-primitive cast: `shared_ptr::shared_ptr<shared_ptr::test::test_into::S>` as `shared_ptr::shared_ptr<dyn T>`
[INFO] [stdout]    --> src/shared_ptr.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let t = b as super::shared_ptr<dyn T>; // FIXME
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
[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 E0605`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared-ptr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5cf1d93758e1c0692f90c4a3fc7cfc2b3b854f791c5936866035b52584385103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf1d93758e1c0692f90c4a3fc7cfc2b3b854f791c5936866035b52584385103", kill_on_drop: false }`
[INFO] [stdout] 5cf1d93758e1c0692f90c4a3fc7cfc2b3b854f791c5936866035b52584385103