[INFO] fetching crate devault 0.2.0...
[INFO] testing devault-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate devault 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate devault 0.2.0
[INFO] finished tweaking crates.io crate devault 0.2.0
[INFO] tweaked toml for crates.io crate devault 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate devault 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 402d8fd02571f97c950b76ae75370c5d12bcbe611d2590289978feeec215b5a6
[INFO] running `Command { std: "docker" "start" "-a" "402d8fd02571f97c950b76ae75370c5d12bcbe611d2590289978feeec215b5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "402d8fd02571f97c950b76ae75370c5d12bcbe611d2590289978feeec215b5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402d8fd02571f97c950b76ae75370c5d12bcbe611d2590289978feeec215b5a6", kill_on_drop: false }`
[INFO] [stdout] 402d8fd02571f97c950b76ae75370c5d12bcbe611d2590289978feeec215b5a6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e292e87012abe1a8f0256697a6047f4faf0f4374e04dd4f11d90684fe3ec127a
[INFO] running `Command { std: "docker" "start" "-a" "e292e87012abe1a8f0256697a6047f4faf0f4374e04dd4f11d90684fe3ec127a", kill_on_drop: false }`
[INFO] [stderr]    Compiling devault v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e292e87012abe1a8f0256697a6047f4faf0f4374e04dd4f11d90684fe3ec127a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e292e87012abe1a8f0256697a6047f4faf0f4374e04dd4f11d90684fe3ec127a", kill_on_drop: false }`
[INFO] [stdout] e292e87012abe1a8f0256697a6047f4faf0f4374e04dd4f11d90684fe3ec127a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 720beab7a3b98b9e1cc1ddaa62c46c979aafecff415bfdbfb53a6faf8697a28a
[INFO] running `Command { std: "docker" "start" "-a" "720beab7a3b98b9e1cc1ddaa62c46c979aafecff415bfdbfb53a6faf8697a28a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling devault v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/test_struct.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Foo(u8);
[INFO] [stdout]    |            --- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> tests/test_struct.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     struct Bar(u8, f32, i64);
[INFO] [stdout]    |            --- ^^  ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Bar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]   --> tests/test_struct.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     struct Qux {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 26 |         a: u8,
[INFO] [stdout] 27 |         b: i64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Qux` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "720beab7a3b98b9e1cc1ddaa62c46c979aafecff415bfdbfb53a6faf8697a28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720beab7a3b98b9e1cc1ddaa62c46c979aafecff415bfdbfb53a6faf8697a28a", kill_on_drop: false }`
[INFO] [stdout] 720beab7a3b98b9e1cc1ddaa62c46c979aafecff415bfdbfb53a6faf8697a28a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 550f6b115c337e3f4f67d74b27a51bf05db913af18747a0bce2329182cff7d91
[INFO] running `Command { std: "docker" "start" "-a" "550f6b115c337e3f4f67d74b27a51bf05db913af18747a0bce2329182cff7d91", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/test_struct.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     struct Foo(u8);
[INFO] [stderr]    |            --- ^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]   --> tests/test_struct.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     struct Bar(u8, f32, i64);
[INFO] [stderr]    |            --- ^^  ^^^  ^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr]    = note: `Bar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `b` is never read
[INFO] [stderr]   --> tests/test_struct.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     struct Qux {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 26 |         a: u8,
[INFO] [stderr] 27 |         b: i64,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Qux` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `devault` (test "test_struct") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/devault-0a60e698140a6682)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_enum.rs (/opt/rustwide/target/debug/deps/test_enum-98950221733aab2b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_attr ... ok
[INFO] [stdout] test test_nested_attrs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_struct.rs (/opt/rustwide/target/debug/deps/test_struct-f56559fe1d6b250a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_attr ... ok
[INFO] [stdout] test test_unit ... ok
[INFO] [stdout] test test_no_attr ... ok
[INFO] [stdout] test test_nested_attrs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests devault
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "550f6b115c337e3f4f67d74b27a51bf05db913af18747a0bce2329182cff7d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550f6b115c337e3f4f67d74b27a51bf05db913af18747a0bce2329182cff7d91", kill_on_drop: false }`
[INFO] [stdout] 550f6b115c337e3f4f67d74b27a51bf05db913af18747a0bce2329182cff7d91