[INFO] cloning repository https://github.com/gilles-leblanc/reddish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilles-leblanc/reddish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilles-leblanc%2Freddish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilles-leblanc%2Freddish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 039f209da5a6a3c4b1038f22cf20576d0eb8ace9
[INFO] checking gilles-leblanc/reddish/039f209da5a6a3c4b1038f22cf20576d0eb8ace9 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilles-leblanc%2Freddish" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilles-leblanc/reddish on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilles-leblanc/reddish
[INFO] finished tweaking git repo https://github.com/gilles-leblanc/reddish
[INFO] tweaked toml for git repo https://github.com/gilles-leblanc/reddish written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gilles-leblanc/reddish 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2818b43360879b5055287c9208cc355eba75483ae122cdff5cc1df4437f61aef
[INFO] running `Command { std: "docker" "start" "-a" "2818b43360879b5055287c9208cc355eba75483ae122cdff5cc1df4437f61aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2818b43360879b5055287c9208cc355eba75483ae122cdff5cc1df4437f61aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2818b43360879b5055287c9208cc355eba75483ae122cdff5cc1df4437f61aef", kill_on_drop: false }`
[INFO] [stdout] 2818b43360879b5055287c9208cc355eba75483ae122cdff5cc1df4437f61aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33257f758272781f4ef795d7f46fb73174d31e1929192865da58ae479db0a648
[INFO] running `Command { std: "docker" "start" "-a" "33257f758272781f4ef795d7f46fb73174d31e1929192865da58ae479db0a648", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking reddish_lib v0.0.1 (/opt/rustwide/workdir/src/lib)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Node(element, box self)
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Node(element, Box::new(self))
[INFO] [stdout]    |                       ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Nil => *self = Node(element, box Nil),
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Nil => *self = Node(element, Box::new(Nil)),
[INFO] [stdout]    |                                          ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let list = Node(1, box Nil);
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let list = Node(1, Box::new(Nil));
[INFO] [stdout]    |                        ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut list = Node(1, box Node(2, box Nil));
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut list = Node(1, box Node(2, Box::new(Nil)));
[INFO] [stdout]    |                                        ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut list = Node(1, box Node(2, box Nil));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut list = Node(1, Box::new(Node(2, box Nil)));
[INFO] [stdout]    |                            ~~~~~~~~~                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:51:40
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut list = Node(1, box Node(2, box Nil));
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut list = Node(1, box Node(2, Box::new(Nil)));
[INFO] [stdout]    |                                        ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/enumlinkedlist.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut list = Node(1, box Node(2, box Nil));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut list = Node(1, Box::new(Node(2, box Nil)));
[INFO] [stdout]    |                            ~~~~~~~~~                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/linkedlist.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |             None => self.head = Some(box new_node),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 15 |             None => self.head = Some(Box::new(new_node)),
[INFO] [stdout]    |                                      ~~~~~~~~~        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/linkedlist.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.head = Some(box LinkedListNode { next: head, value: value });
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.head = Some(Box::new(LinkedListNode { next: head, value: value }));
[INFO] [stdout]    |                          ~~~~~~~~~                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib/linkedlist.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |             None => self.next = Some(box new_node),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 35 |             None => self.next = Some(Box::new(new_node)),
[INFO] [stdout]    |                                      ~~~~~~~~~        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reddish_lib` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "33257f758272781f4ef795d7f46fb73174d31e1929192865da58ae479db0a648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33257f758272781f4ef795d7f46fb73174d31e1929192865da58ae479db0a648", kill_on_drop: false }`
[INFO] [stdout] 33257f758272781f4ef795d7f46fb73174d31e1929192865da58ae479db0a648