[INFO] fetching crate trivial-kernel 0.9.0...
[INFO] building trivial-kernel-0.9.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate trivial-kernel 0.9.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate trivial-kernel 0.9.0
[INFO] finished tweaking crates.io crate trivial-kernel 0.9.0
[INFO] tweaked toml for crates.io crate trivial-kernel 0.9.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trivial-kernel 0.9.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda27fe69850ecead959f1adbfb6bd3c767db02e5faa78329e4d1a41af1dda6a
[INFO] running `Command { std: "docker" "start" "-a" "cda27fe69850ecead959f1adbfb6bd3c767db02e5faa78329e4d1a41af1dda6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda27fe69850ecead959f1adbfb6bd3c767db02e5faa78329e4d1a41af1dda6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda27fe69850ecead959f1adbfb6bd3c767db02e5faa78329e4d1a41af1dda6a", kill_on_drop: false }`
[INFO] [stdout] cda27fe69850ecead959f1adbfb6bd3c767db02e5faa78329e4d1a41af1dda6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b401385c9c71f59d6e739974079d24007d9b30a6308311d3d18131f162717673
[INFO] running `Command { std: "docker" "start" "-a" "b401385c9c71f59d6e739974079d24007d9b30a6308311d3d18131f162717673", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmb-types v0.3.1
[INFO] [stderr]    Compiling trivial-kernel v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/context/store.rs:74:54
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct DisplayPackedPtr<'a, S: Store>(PackedPtr, &'a S);
[INFO] [stdout]    |            ---------------- field in this struct     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context/store.rs:289:20
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<Self::Var>>;
[INFO] [stdout]     |                    ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<'_, Self::Var>>;
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context/store.rs:412:20
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<Self::Var>> {
[INFO] [stdout]     |                    ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<'_, Self::Var>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "b401385c9c71f59d6e739974079d24007d9b30a6308311d3d18131f162717673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b401385c9c71f59d6e739974079d24007d9b30a6308311d3d18131f162717673", kill_on_drop: false }`
[INFO] [stdout] b401385c9c71f59d6e739974079d24007d9b30a6308311d3d18131f162717673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e5632f7304fd006da8c1cb3051142196a0d4df12b1a3de370af28035712298
[INFO] running `Command { std: "docker" "start" "-a" "71e5632f7304fd006da8c1cb3051142196a0d4df12b1a3de370af28035712298", kill_on_drop: false }`
[INFO] [stderr]    Compiling trivial-kernel v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/context/store.rs:74:54
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct DisplayPackedPtr<'a, S: Store>(PackedPtr, &'a S);
[INFO] [stdout]    |            ---------------- field in this struct     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context/store.rs:289:20
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<Self::Var>>;
[INFO] [stdout]     |                    ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<'_, Self::Var>>;
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context/store.rs:412:20
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<Self::Var>> {
[INFO] [stdout]     |                    ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<'_, Self::Var>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context/store.rs:289:20
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<Self::Var>>;
[INFO] [stdout]     |                    ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<'_, Self::Var>>;
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context/store.rs:412:20
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<Self::Var>> {
[INFO] [stdout]     |                    ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn get_element(&self, ptr: Ptr) -> Option<ElementRef<'_, Self::Var>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/context/store.rs:74:54
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct DisplayPackedPtr<'a, S: Store>(PackedPtr, &'a S);
[INFO] [stdout]    |            ---------------- field in this struct     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "71e5632f7304fd006da8c1cb3051142196a0d4df12b1a3de370af28035712298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e5632f7304fd006da8c1cb3051142196a0d4df12b1a3de370af28035712298", kill_on_drop: false }`
[INFO] [stdout] 71e5632f7304fd006da8c1cb3051142196a0d4df12b1a3de370af28035712298