[INFO] cloning repository https://github.com/athos/rusp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athos/rusp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathos%2Frusp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathos%2Frusp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bd64625ffecebf66372800d87c0c97a95863eb6
[INFO] checking athos/rusp against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathos%2Frusp" "/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/athos/rusp on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/athos/rusp
[INFO] finished tweaking git repo https://github.com/athos/rusp
[INFO] tweaked toml for git repo https://github.com/athos/rusp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/athos/rusp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf65546047cca60c388c81a7c0b1dd80288f0d64059727d321bb5e8906515747
[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" "bf65546047cca60c388c81a7c0b1dd80288f0d64059727d321bb5e8906515747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf65546047cca60c388c81a7c0b1dd80288f0d64059727d321bb5e8906515747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf65546047cca60c388c81a7c0b1dd80288f0d64059727d321bb5e8906515747", kill_on_drop: false }`
[INFO] [stdout] bf65546047cca60c388c81a7c0b1dd80288f0d64059727d321bb5e8906515747
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4565fd1814a4c3286fa3c455dcf80c014d8d558ed406a4c681b90e544fa422f7
[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" "4565fd1814a4c3286fa3c455dcf80c014d8d558ed406a4c681b90e544fa422f7", kill_on_drop: false }`
[INFO] [stderr]     Checking rusp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `error`
[INFO] [stdout]  --> src/reader.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{Error, error};
[INFO] [stdout]   |                    ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             '-' | '0' ... '9' => Some(self.read_number()),
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `error`
[INFO] [stdout]  --> src/reader.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{Error, error};
[INFO] [stdout]   |                    ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             '-' | '0' ... '9' => Some(self.read_number()),
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/object.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |     assert_eq!(list_to_vec(Rc::new(Object::Nil)).expect("must not happen"), vec![]);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected `&Object`, found struct `Rc`
[INFO] [stdout]     |                            help: consider borrowing here: `&Rc::new(Object::Nil)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Object`
[INFO] [stdout]                   found struct `Rc<Object>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/object.rs:127:28
[INFO] [stdout]     |
[INFO] [stdout] 127 |       assert_eq!(list_to_vec(Rc::new(Object::Cons(
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 128 | |         Rc::new(Object::Number(1)),
[INFO] [stdout] 129 | |         Rc::new(Object::Cons(
[INFO] [stdout] 130 | |             Rc::new(Object::Number(2)),
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |         ))
[INFO] [stdout] 136 | |     ))).expect("must not happpen"), vec![
[INFO] [stdout]     | |______^ expected `&Object`, found struct `Rc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Object`
[INFO] [stdout]                   found struct `Rc<Object>`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 127 |     assert_eq!(list_to_vec(&Rc::new(Object::Cons(
[INFO] [stdout] 128 |         Rc::new(Object::Number(1)),
[INFO] [stdout] 129 |         Rc::new(Object::Cons(
[INFO] [stdout] 130 |             Rc::new(Object::Number(2)),
[INFO] [stdout] 131 |             Rc::new(Object::Cons(
[INFO] [stdout] 132 |                 Rc::new(Object::Number(3)),
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusp`
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4565fd1814a4c3286fa3c455dcf80c014d8d558ed406a4c681b90e544fa422f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4565fd1814a4c3286fa3c455dcf80c014d8d558ed406a4c681b90e544fa422f7", kill_on_drop: false }`
[INFO] [stdout] 4565fd1814a4c3286fa3c455dcf80c014d8d558ed406a4c681b90e544fa422f7