[INFO] fetching crate err_mac 0.1.0...
[INFO] testing err_mac-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate err_mac 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate err_mac 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate err_mac 0.1.0
[INFO] tweaked toml for crates.io crate err_mac 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate err_mac 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate err_mac 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8328408440b749525d02756bfb474ecd5b566c4ff4cf8bf2311bd2974fbaeff
[INFO] running `Command { std: "docker" "start" "-a" "a8328408440b749525d02756bfb474ecd5b566c4ff4cf8bf2311bd2974fbaeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8328408440b749525d02756bfb474ecd5b566c4ff4cf8bf2311bd2974fbaeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8328408440b749525d02756bfb474ecd5b566c4ff4cf8bf2311bd2974fbaeff", kill_on_drop: false }`
[INFO] [stdout] a8328408440b749525d02756bfb474ecd5b566c4ff4cf8bf2311bd2974fbaeff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d315b32a83801ad2c62a02c5bee842895bbf8e98a3a9cdc7d7d8b86b69cf2307
[INFO] running `Command { std: "docker" "start" "-a" "d315b32a83801ad2c62a02c5bee842895bbf8e98a3a9cdc7d7d8b86b69cf2307", kill_on_drop: false }`
[INFO] [stderr]    Compiling err_mac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d315b32a83801ad2c62a02c5bee842895bbf8e98a3a9cdc7d7d8b86b69cf2307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d315b32a83801ad2c62a02c5bee842895bbf8e98a3a9cdc7d7d8b86b69cf2307", kill_on_drop: false }`
[INFO] [stdout] d315b32a83801ad2c62a02c5bee842895bbf8e98a3a9cdc7d7d8b86b69cf2307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b422f3438810aebc2dcc7897df86baaf1d7151f23f308e6e68039f66bc938b54
[INFO] running `Command { std: "docker" "start" "-a" "b422f3438810aebc2dcc7897df86baaf1d7151f23f308e6e68039f66bc938b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling err_mac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MarketErr` is never constructed
[INFO] [stdout]  --> tests/derive_test.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MarketErr;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConvertErr` is never constructed
[INFO] [stdout]  --> tests/derive_test.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ConvertErr;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EthRpcErr` is never constructed
[INFO] [stdout]  --> tests/derive_test.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct EthRpcErr;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field` and `message` are never read
[INFO] [stdout]  --> examples/usage.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ValidationError {
[INFO] [stdout]   |        --------------- fields in this struct
[INFO] [stdout] 7 |     field: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ValidationError` 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 `code` and `message` are never read
[INFO] [stdout]   --> examples/usage.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct DatabaseError {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 13 |     code: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseError` 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "b422f3438810aebc2dcc7897df86baaf1d7151f23f308e6e68039f66bc938b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b422f3438810aebc2dcc7897df86baaf1d7151f23f308e6e68039f66bc938b54", kill_on_drop: false }`
[INFO] [stdout] b422f3438810aebc2dcc7897df86baaf1d7151f23f308e6e68039f66bc938b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ebf633c1a0df43cbf6db9ac5b4677bda624d6192722e7c572b099ce247dbbb3
[INFO] running `Command { std: "docker" "start" "-a" "9ebf633c1a0df43cbf6db9ac5b4677bda624d6192722e7c572b099ce247dbbb3", kill_on_drop: false }`
[INFO] [stderr] warning: fields `field` and `message` are never read
[INFO] [stderr]  --> examples/usage.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct ValidationError {
[INFO] [stderr]   |        --------------- fields in this struct
[INFO] [stderr] 7 |     field: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 8 |     message: String,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ValidationError` 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 `code` and `message` are never read
[INFO] [stderr]   --> examples/usage.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct DatabaseError {
[INFO] [stderr]    |        ------------- fields in this struct
[INFO] [stderr] 13 |     code: i32,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 14 |     message: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DatabaseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `err_mac` (example "usage") generated 2 warnings
[INFO] [stderr] warning: struct `MarketErr` is never constructed
[INFO] [stderr]  --> tests/derive_test.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct MarketErr;
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ConvertErr` is never constructed
[INFO] [stderr]  --> tests/derive_test.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct ConvertErr;
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EthRpcErr` is never constructed
[INFO] [stderr]  --> tests/derive_test.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct EthRpcErr;
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `err_mac` (test "derive_test") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/err_mac-5f382c860448258c)
[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/derive_test.rs (/opt/rustwide/target/debug/deps/derive_test-b50af73932069fa2)
[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]    Doc-tests err_mac
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - create_err_with_impls (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ebf633c1a0df43cbf6db9ac5b4677bda624d6192722e7c572b099ce247dbbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ebf633c1a0df43cbf6db9ac5b4677bda624d6192722e7c572b099ce247dbbb3", kill_on_drop: false }`
[INFO] [stdout] 9ebf633c1a0df43cbf6db9ac5b4677bda624d6192722e7c572b099ce247dbbb3