[INFO] fetching crate math-ast 0.2.0...
[INFO] checking math-ast-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate math-ast 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate math-ast 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math-ast 0.2.0
[INFO] finished tweaking crates.io crate math-ast 0.2.0
[INFO] tweaked toml for crates.io crate math-ast 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded factorial v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4cb0d9510f2a3d3587db761d163a0e32ba09c57433dfc5b9c076d5055664282
[INFO] running `Command { std: "docker" "start" "-a" "f4cb0d9510f2a3d3587db761d163a0e32ba09c57433dfc5b9c076d5055664282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4cb0d9510f2a3d3587db761d163a0e32ba09c57433dfc5b9c076d5055664282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cb0d9510f2a3d3587db761d163a0e32ba09c57433dfc5b9c076d5055664282", kill_on_drop: false }`
[INFO] [stdout] f4cb0d9510f2a3d3587db761d163a0e32ba09c57433dfc5b9c076d5055664282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c93831d4bc99fb682842e0fa0a93c6b0bf3d4369d3c75440b3c11a53814f7b60
[INFO] running `Command { std: "docker" "start" "-a" "c93831d4bc99fb682842e0fa0a93c6b0bf3d4369d3c75440b3c11a53814f7b60", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking factorial v0.2.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking math-ast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/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/traits/numeric.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(Box::new(self), box rhs)
[INFO] [stdout]    |                   ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, Box::new(rhs))
[INFO] [stdout]    |                             ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(Box::new(self), box rhs)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, Box::new(rhs))
[INFO] [stdout]    |                               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/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/traits/numeric.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(Box::new(self), box rhs)
[INFO] [stdout]    |                   ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, Box::new(rhs))
[INFO] [stdout]    |                             ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(Box::new(self), box rhs)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, Box::new(rhs))
[INFO] [stdout]    |                               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math-ast` (lib test) due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `math-ast` (lib) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "c93831d4bc99fb682842e0fa0a93c6b0bf3d4369d3c75440b3c11a53814f7b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93831d4bc99fb682842e0fa0a93c6b0bf3d4369d3c75440b3c11a53814f7b60", kill_on_drop: false }`
[INFO] [stdout] c93831d4bc99fb682842e0fa0a93c6b0bf3d4369d3c75440b3c11a53814f7b60
[INFO] checking math-ast-0.2.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate math-ast 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate math-ast 0.2.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math-ast 0.2.0
[INFO] finished tweaking crates.io crate math-ast 0.2.0
[INFO] tweaked toml for crates.io crate math-ast 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0762b8a2fba26ccc69a9692a040df18f5c7e14c7d08a317014298617e72921ca
[INFO] running `Command { std: "docker" "start" "-a" "0762b8a2fba26ccc69a9692a040df18f5c7e14c7d08a317014298617e72921ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0762b8a2fba26ccc69a9692a040df18f5c7e14c7d08a317014298617e72921ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0762b8a2fba26ccc69a9692a040df18f5c7e14c7d08a317014298617e72921ca", kill_on_drop: false }`
[INFO] [stdout] 0762b8a2fba26ccc69a9692a040df18f5c7e14c7d08a317014298617e72921ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f58f24ab8b94ea411c5dea1b80b39a17692a781b0f4c05c2bedde069d3a79e7b
[INFO] running `Command { std: "docker" "start" "-a" "f58f24ab8b94ea411c5dea1b80b39a17692a781b0f4c05c2bedde069d3a79e7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking factorial v0.2.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking math-ast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/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[E0557]: feature has been removed
[INFO] [stdout]  --> src/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/traits/numeric.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(Box::new(self), box rhs)
[INFO] [stdout]    |                   ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(Box::new(self), box rhs)
[INFO] [stdout]    |                   ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, Box::new(rhs))
[INFO] [stdout]    |                             ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, Box::new(rhs))
[INFO] [stdout]    |                             ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(Box::new(self), box rhs)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, Box::new(rhs))
[INFO] [stdout]    |                               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(Box::new(self), box rhs)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, Box::new(rhs))
[INFO] [stdout]    |                               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(Box::new(self), box rhs)
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, Box::new(rhs))
[INFO] [stdout]    |                              ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math-ast` (lib test) due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `math-ast` (lib) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "f58f24ab8b94ea411c5dea1b80b39a17692a781b0f4c05c2bedde069d3a79e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58f24ab8b94ea411c5dea1b80b39a17692a781b0f4c05c2bedde069d3a79e7b", kill_on_drop: false }`
[INFO] [stdout] f58f24ab8b94ea411c5dea1b80b39a17692a781b0f4c05c2bedde069d3a79e7b
