[INFO] fetching crate stack-vm 1.0.1...
[INFO] checking stack-vm-1.0.1 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate stack-vm 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stack-vm 1.0.1 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack-vm 1.0.1
[INFO] finished tweaking crates.io crate stack-vm 1.0.1
[INFO] tweaked toml for crates.io crate stack-vm 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eafae1df9a65a348a362cd0844f952be6d5c7e522a5cf1f07a6f49379675f471
[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" "eafae1df9a65a348a362cd0844f952be6d5c7e522a5cf1f07a6f49379675f471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafae1df9a65a348a362cd0844f952be6d5c7e522a5cf1f07a6f49379675f471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafae1df9a65a348a362cd0844f952be6d5c7e522a5cf1f07a6f49379675f471", kill_on_drop: false }`
[INFO] [stdout] eafae1df9a65a348a362cd0844f952be6d5c7e522a5cf1f07a6f49379675f471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fd934cca0ccc7da2da4d2e54ae60610b621dd070a00a546c3e705d00f98fe22
[INFO] running `Command { std: "docker" "start" "-a" "8fd934cca0ccc7da2da4d2e54ae60610b621dd070a00a546c3e705d00f98fe22", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking stack-vm v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/code/from_byte_code.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn from_byte_code(mut buf: &mut Read) -> Code<T> {
[INFO] [stdout]   |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code/from_byte_code.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_string(mut buf: &mut Read) -> String {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code/to_byte_code.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn to_byte_code(&self, mut buf: &mut Write) {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/from_byte_code.rs:44:31
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn from_byte_code(_: &mut Read) -> Self;
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/machine.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub constants: &'a Table<Item = T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Table<Item = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/machine.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |         constants: &'a Table<Item = T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Table<Item = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/to_byte_code.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn to_byte_code(&self, _: &mut Write);
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/code/from_byte_code.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn from_byte_code(mut buf: &mut Read) -> Code<T> {
[INFO] [stdout]   |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code/from_byte_code.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_string(mut buf: &mut Read) -> String {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code/to_byte_code.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn to_byte_code(&self, mut buf: &mut Write) {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/code/mod.rs:199:46
[INFO] [stdout]     |
[INFO] [stdout] 199 |         fn to_byte_code(&self, mut buf: &mut Write) {
[INFO] [stdout]     |                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/code/mod.rs:205:41
[INFO] [stdout]     |
[INFO] [stdout] 205 |         fn from_byte_code(mut buf: &mut Read) -> usize {
[INFO] [stdout]     |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/from_byte_code.rs:44:31
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn from_byte_code(_: &mut Read) -> Self;
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/from_byte_code.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |         fn from_byte_code(mut buf: &mut Read) -> Operand {
[INFO] [stdout]    |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/machine.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub constants: &'a Table<Item = T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Table<Item = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/machine.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |         constants: &'a Table<Item = T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Table<Item = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/to_byte_code.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn to_byte_code(&self, _: &mut Write);
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/to_byte_code.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |         fn to_byte_code(&self, mut buf: &mut Write) {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "8fd934cca0ccc7da2da4d2e54ae60610b621dd070a00a546c3e705d00f98fe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd934cca0ccc7da2da4d2e54ae60610b621dd070a00a546c3e705d00f98fe22", kill_on_drop: false }`
[INFO] [stdout] 8fd934cca0ccc7da2da4d2e54ae60610b621dd070a00a546c3e705d00f98fe22