[INFO] fetching crate seax_svm 0.2.8...
[INFO] checking seax_svm-0.2.8 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate seax_svm 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate seax_svm 0.2.8 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seax_svm 0.2.8
[INFO] finished tweaking crates.io crate seax_svm 0.2.8
[INFO] tweaked toml for crates.io crate seax_svm 0.2.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e0fbb638fae434c8ff7a8f39452c7dd36ae8a8fd11d2ab41c53c1f0bc23ce9
[INFO] running `Command { std: "docker" "start" "-a" "a9e0fbb638fae434c8ff7a8f39452c7dd36ae8a8fd11d2ab41c53c1f0bc23ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e0fbb638fae434c8ff7a8f39452c7dd36ae8a8fd11d2ab41c53c1f0bc23ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e0fbb638fae434c8ff7a8f39452c7dd36ae8a8fd11d2ab41c53c1f0bc23ce9", kill_on_drop: false }`
[INFO] [stdout] a9e0fbb638fae434c8ff7a8f39452c7dd36ae8a8fd11d2ab41c53c1f0bc23ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df6b9f3ba55ad5928ab82b915d19ed5583423db85b89a67a4dd9aafa0676341
[INFO] running `Command { std: "docker" "start" "-a" "3df6b9f3ba55ad5928ab82b915d19ed5583423db85b89a67a4dd9aafa0676341", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking seax_svm v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:338:17
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:149:44
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 let (atom,newer_control) = try!(new_control.pop().ok_or(
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:215:45
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 let (func, newer_control) = try!(match new_control.pop() {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:234:39
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let (top, new_dump) = try!(match self.dump.pop() {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:294:40
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 let (op1, new_stack) = try!(match self.stack.pop() {
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:302:50
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         let (op2, newer_stack) = try!(match new_stack.pop() {
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:564:45
[INFO] [stdout]     |
[INFO] [stdout] 564 |                 let (new_stack, new_dump) = try!(match self.dump.pop()  {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:570:45
[INFO] [stdout]     |
[INFO] [stdout] 570 |                 let (new_env, newer_dump) = try!(match new_dump.pop() {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:575:52
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 let (newer_control, newest_dump) = try!(match newer_dump.pop() {
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:772:19
[INFO] [stdout]     |
[INFO] [stdout] 772 |         machine = try!(machine.eval(None,debug)).0 // continue evaling
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/slist.rs:41:32
[INFO] [stdout]     |
[INFO] [stdout] 41  |     fn pop(self)            -> Option<(T, Self)>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because it appears within the type `(T, Self)`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 41  |     fn pop(self)            -> Option<(T, Self)> where Self: Sized;
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seax_svm` due to 2 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3df6b9f3ba55ad5928ab82b915d19ed5583423db85b89a67a4dd9aafa0676341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df6b9f3ba55ad5928ab82b915d19ed5583423db85b89a67a4dd9aafa0676341", kill_on_drop: false }`
[INFO] [stdout] 3df6b9f3ba55ad5928ab82b915d19ed5583423db85b89a67a4dd9aafa0676341