[INFO] fetching crate mwck 0.1.0...
[INFO] testing mwck-0.1.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate mwck 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mwck 0.1.0
[INFO] finished tweaking crates.io crate mwck 0.1.0
[INFO] tweaked toml for crates.io crate mwck 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mwck 0.1.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]    Compiling mwck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/socket/native/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Ws(WsError),
[INFO] [stdout]    |     -- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Ws(WsError),
[INFO] [stdout] 16 +     Ws(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/wallet/address/mod.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Balance {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 53 |     #[must_use]
[INFO] [stdout] 54 |     const fn get(self) -> i64 {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `total` is never used
[INFO] [stdout]   --> src/wallet/address/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Balances {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     const fn total(self) -> Balance {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "d8c6a875f35422a94af39539b63cf388928d40f06ba6d25444f21785eccebe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c6a875f35422a94af39539b63cf388928d40f06ba6d25444f21785eccebe1a", kill_on_drop: false }`
[INFO] [stdout] d8c6a875f35422a94af39539b63cf388928d40f06ba6d25444f21785eccebe1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc42f7611487e1b7a60070b77f44b1c7142f8e7a6f1b4795a8617a014b51a3e
[INFO] running `Command { std: "docker" "start" "-a" "4bc42f7611487e1b7a60070b77f44b1c7142f8e7a6f1b4795a8617a014b51a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mwck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/socket/native/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Ws(WsError),
[INFO] [stdout]    |     -- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Ws(WsError),
[INFO] [stdout] 16 +     Ws(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/wallet/address/mod.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Balance {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 53 |     #[must_use]
[INFO] [stdout] 54 |     const fn get(self) -> i64 {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `total` is never used
[INFO] [stdout]   --> src/wallet/address/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Balances {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     const fn total(self) -> Balance {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/socket/native/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Ws(WsError),
[INFO] [stdout]    |     -- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Ws(WsError),
[INFO] [stdout] 16 +     Ws(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/wallet/address/mod.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Balance {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 53 |     #[must_use]
[INFO] [stdout] 54 |     const fn get(self) -> i64 {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `total` is never used
[INFO] [stdout]   --> src/wallet/address/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Balances {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     const fn total(self) -> Balance {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "4bc42f7611487e1b7a60070b77f44b1c7142f8e7a6f1b4795a8617a014b51a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc42f7611487e1b7a60070b77f44b1c7142f8e7a6f1b4795a8617a014b51a3e", kill_on_drop: false }`
[INFO] [stdout] 4bc42f7611487e1b7a60070b77f44b1c7142f8e7a6f1b4795a8617a014b51a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2921241931bdf4e0cb018aa4eeea59bbbef4364627294e560f532db9fde39b3
[INFO] running `Command { std: "docker" "start" "-a" "f2921241931bdf4e0cb018aa4eeea59bbbef4364627294e560f532db9fde39b3", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/socket/native/mod.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Ws(WsError),
[INFO] [stderr]    |     -- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 16 -     Ws(WsError),
[INFO] [stderr] 16 +     Ws(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/wallet/address/mod.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl Balance {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 53 |     #[must_use]
[INFO] [stderr] 54 |     const fn get(self) -> i64 {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `total` is never used
[INFO] [stderr]   --> src/wallet/address/mod.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 69 | impl Balances {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 77 |     const fn total(self) -> Balance {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mwck` (lib) generated 3 warnings
[INFO] [stderr] warning: `mwck` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mwck-04562eb00e429318)
[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 mwck
[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] running `Command { std: "docker" "inspect" "f2921241931bdf4e0cb018aa4eeea59bbbef4364627294e560f532db9fde39b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2921241931bdf4e0cb018aa4eeea59bbbef4364627294e560f532db9fde39b3", kill_on_drop: false }`
[INFO] [stdout] f2921241931bdf4e0cb018aa4eeea59bbbef4364627294e560f532db9fde39b3
