[INFO] fetching crate viable-impl 0.2.1...
[INFO] testing viable-impl-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate viable-impl 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate viable-impl 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate viable-impl 0.2.1
[INFO] tweaked toml for crates.io crate viable-impl 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate viable-impl 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.111
[INFO] [stderr]   Downloaded toml_datetime v0.7.2
[INFO] [stderr]   Downloaded serde_spanned v1.0.2
[INFO] [stderr]   Downloaded toml_parser v1.0.3
[INFO] [stderr]   Downloaded toml_writer v1.0.3
[INFO] [stderr]   Downloaded toml v0.9.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84d0a989341c7af19084285160a8eb2abcf561f8bcfca33738b4bc1afff11764
[INFO] running `Command { std: "docker" "start" "-a" "84d0a989341c7af19084285160a8eb2abcf561f8bcfca33738b4bc1afff11764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d0a989341c7af19084285160a8eb2abcf561f8bcfca33738b4bc1afff11764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d0a989341c7af19084285160a8eb2abcf561f8bcfca33738b4bc1afff11764", kill_on_drop: false }`
[INFO] [stdout] 84d0a989341c7af19084285160a8eb2abcf561f8bcfca33738b4bc1afff11764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1145c8ce76dc7b6810419a29fedc90be4177994ed430030c0f28dbf6cf0cb9
[INFO] running `Command { std: "docker" "start" "-a" "cd1145c8ce76dc7b6810419a29fedc90be4177994ed430030c0f28dbf6cf0cb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling viable-impl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "cd1145c8ce76dc7b6810419a29fedc90be4177994ed430030c0f28dbf6cf0cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1145c8ce76dc7b6810419a29fedc90be4177994ed430030c0f28dbf6cf0cb9", kill_on_drop: false }`
[INFO] [stdout] cd1145c8ce76dc7b6810419a29fedc90be4177994ed430030c0f28dbf6cf0cb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b7d6c784817a7d23e1a30ebca6ec64e13dc4b1e44639fafc3ceaa2efe116dc
[INFO] running `Command { std: "docker" "start" "-a" "31b7d6c784817a7d23e1a30ebca6ec64e13dc4b1e44639fafc3ceaa2efe116dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling viable-impl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stdout] error[E0432]: unresolved import `viable`
[INFO] [stdout]  --> tests/base.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use viable::vtable;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `viable`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `viable`, use `cargo add viable` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `viable`
[INFO] [stdout]  --> tests/fail.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use viable::vtable;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `viable`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `viable`, use `cargo add viable` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `viable`
[INFO] [stdout]  --> tests/att.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use viable::vtable;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `viable`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `viable`, use `cargo add viable` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viable-impl` (test "fail") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find attribute `offset` in this scope
[INFO] [stdout]   --> tests/base.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[offset(1)] // Completely optional
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `offset` in this scope
[INFO] [stdout]  --> tests/att.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[offset(1)]
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `viable`
[INFO] [stdout]  --> tests/vis.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use viable::vtable;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `viable`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `viable`, use `cargo add viable` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `skip` in this scope
[INFO] [stdout]   --> tests/att.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[skip(1)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `check` in this scope
[INFO] [stdout]   --> tests/att.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[check(3)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viable-impl` (test "vis") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viable-impl` (test "base") due to 2 previous errors
[INFO] [stderr] error: could not compile `viable-impl` (test "att") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "31b7d6c784817a7d23e1a30ebca6ec64e13dc4b1e44639fafc3ceaa2efe116dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b7d6c784817a7d23e1a30ebca6ec64e13dc4b1e44639fafc3ceaa2efe116dc", kill_on_drop: false }`
[INFO] [stdout] 31b7d6c784817a7d23e1a30ebca6ec64e13dc4b1e44639fafc3ceaa2efe116dc