[INFO] cloning repository https://github.com/hsmtkk/supreme-sniffle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/supreme-sniffle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 328a936350fc83629d43660b9f3936d465bb08aa
[INFO] checking hsmtkk/supreme-sniffle against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] finished tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] tweaked toml for git repo https://github.com/hsmtkk/supreme-sniffle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hsmtkk/supreme-sniffle on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hsmtkk/supreme-sniffle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking hsmtkk/supreme-sniffle against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] finished tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] tweaked toml for git repo https://github.com/hsmtkk/supreme-sniffle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hsmtkk/supreme-sniffle on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hsmtkk/supreme-sniffle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 603c4eacaf72abab20c60d0e76566b1c36a53e63a67556c6f0042fd62fb2adf6
[INFO] running `Command { std: "docker" "start" "-a" "603c4eacaf72abab20c60d0e76566b1c36a53e63a67556c6f0042fd62fb2adf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603c4eacaf72abab20c60d0e76566b1c36a53e63a67556c6f0042fd62fb2adf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603c4eacaf72abab20c60d0e76566b1c36a53e63a67556c6f0042fd62fb2adf6", kill_on_drop: false }`
[INFO] [stdout] 603c4eacaf72abab20c60d0e76566b1c36a53e63a67556c6f0042fd62fb2adf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 873ebf123c0506ce1dfac41d7aedb5bde35c5615ee1b616cc2d4d6118fd94cc1
[INFO] running `Command { std: "docker" "start" "-a" "873ebf123c0506ce1dfac41d7aedb5bde35c5615ee1b616cc2d4d6118fd94cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking supreme-sniffle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rc`
[INFO] [stdout]   --> src/double_linked_list.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout]    |                                  ^^ use of unresolved module or unlinked crate `rc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rc`, use `cargo add rc` to add it to your `Cargo.toml`
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout] 41 +                 self.last = Some(Rc::downgrade(&new_data));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rc`
[INFO] [stdout]   --> src/double_linked_list.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout]    |                                  ^^ use of unresolved module or unlinked crate `rc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rc`, use `cargo add rc` to add it to your `Cargo.toml`
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout] 41 +                 self.last = Some(Rc::downgrade(&new_data));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/double_linked_list.rs:57:48
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.last = Some(Rc::downgrade(new_back));
[INFO] [stdout]    |                                  ------------- ^^^^^^^^ expected `&Rc<RefCell<DbNode<T>>>`, found `Rc<RefCell<DbNode<T>>>`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Rc<_>`
[INFO] [stdout]                  found struct `Rc<_>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/alloc/src/rc.rs:1753:11
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.last = Some(Rc::downgrade(&new_back));
[INFO] [stdout]    |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rc`
[INFO] [stdout]   --> src/double_linked_list.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout]    |                                  ^^ use of unresolved module or unlinked crate `rc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rc`, use `cargo add rc` to add it to your `Cargo.toml`
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 66 -                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout] 66 +                 self.last = Some(Rc::downgrade(&new_data));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/double_linked_list.rs:57:48
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.last = Some(Rc::downgrade(new_back));
[INFO] [stdout]    |                                  ------------- ^^^^^^^^ expected `&Rc<RefCell<DbNode<T>>>`, found `Rc<RefCell<DbNode<T>>>`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Rc<_>`
[INFO] [stdout]                  found struct `Rc<_>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/alloc/src/rc.rs:1753:11
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.last = Some(Rc::downgrade(&new_back));
[INFO] [stdout]    |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rc`
[INFO] [stdout]   --> src/double_linked_list.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout]    |                                  ^^ use of unresolved module or unlinked crate `rc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rc`, use `cargo add rc` to add it to your `Cargo.toml`
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 66 -                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout] 66 +                 self.last = Some(Rc::downgrade(&new_data));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `supreme-sniffle` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `supreme-sniffle` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "873ebf123c0506ce1dfac41d7aedb5bde35c5615ee1b616cc2d4d6118fd94cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873ebf123c0506ce1dfac41d7aedb5bde35c5615ee1b616cc2d4d6118fd94cc1", kill_on_drop: false }`
[INFO] [stdout] 873ebf123c0506ce1dfac41d7aedb5bde35c5615ee1b616cc2d4d6118fd94cc1
