[INFO] fetching crate might 0.2.1... [INFO] testing might-0.2.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate might 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate might 0.2.1 [INFO] finished tweaking crates.io crate might 0.2.1 [INFO] tweaked toml for crates.io crate might 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate might 0.2.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate might 0.2.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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_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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a60449825a9fb82304cc9ccfd33f479ed20e04f6a863cc2216a649f3182592be [INFO] running `Command { std: "docker" "start" "-a" "a60449825a9fb82304cc9ccfd33f479ed20e04f6a863cc2216a649f3182592be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a60449825a9fb82304cc9ccfd33f479ed20e04f6a863cc2216a649f3182592be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a60449825a9fb82304cc9ccfd33f479ed20e04f6a863cc2216a649f3182592be", kill_on_drop: false }` [INFO] [stdout] a60449825a9fb82304cc9ccfd33f479ed20e04f6a863cc2216a649f3182592be [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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d36cc7fcf2fc013aef5e11d2994886be6d109869129f50cdfeb39fbb8dc0ef7 [INFO] running `Command { std: "docker" "start" "-a" "0d36cc7fcf2fc013aef5e11d2994886be6d109869129f50cdfeb39fbb8dc0ef7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling cc v1.1.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling untrusted v0.9.0 [INFO] [stderr] Compiling rustls v0.21.12 [INFO] [stderr] Compiling minreq v2.12.0 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling webpki-roots v0.25.4 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling rustls-pemfile v1.0.4 [INFO] [stderr] Compiling rustls-native-certs v0.6.3 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling rustls-webpki v0.101.7 [INFO] [stderr] Compiling sct v0.7.1 [INFO] [stderr] Compiling might v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:418:13 [INFO] [stdout] | [INFO] [stdout] 418 | struct Expr(String); [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Expr` 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: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:421:8 [INFO] [stdout] | [INFO] [stdout] 420 | impl Expr { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 421 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.25s [INFO] running `Command { std: "docker" "inspect" "0d36cc7fcf2fc013aef5e11d2994886be6d109869129f50cdfeb39fbb8dc0ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d36cc7fcf2fc013aef5e11d2994886be6d109869129f50cdfeb39fbb8dc0ef7", kill_on_drop: false }` [INFO] [stdout] 0d36cc7fcf2fc013aef5e11d2994886be6d109869129f50cdfeb39fbb8dc0ef7 [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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a863555e6a20cd6d89b6dfd22c8816a9b406104f3ad8b337b3f73d5bce752587 [INFO] running `Command { std: "docker" "start" "-a" "a863555e6a20cd6d89b6dfd22c8816a9b406104f3ad8b337b3f73d5bce752587", kill_on_drop: false }` [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:418:13 [INFO] [stdout] | [INFO] [stdout] 418 | struct Expr(String); [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Expr` 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: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:421:8 [INFO] [stdout] | [INFO] [stdout] 420 | impl Expr { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 421 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling might v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:418:13 [INFO] [stdout] | [INFO] [stdout] 418 | struct Expr(String); [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Expr` 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: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:421:8 [INFO] [stdout] | [INFO] [stdout] 420 | impl Expr { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 421 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "a863555e6a20cd6d89b6dfd22c8816a9b406104f3ad8b337b3f73d5bce752587", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a863555e6a20cd6d89b6dfd22c8816a9b406104f3ad8b337b3f73d5bce752587", kill_on_drop: false }` [INFO] [stdout] a863555e6a20cd6d89b6dfd22c8816a9b406104f3ad8b337b3f73d5bce752587 [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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 68173ec630481ec24a9569ca9bf23a68277d54c7db40fdec91acd5a49c34cbde [INFO] running `Command { std: "docker" "start" "-a" "68173ec630481ec24a9569ca9bf23a68277d54c7db40fdec91acd5a49c34cbde", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:418:13 [INFO] [stderr] | [INFO] [stderr] 418 | struct Expr(String); [INFO] [stderr] | ---- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `Expr` 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: associated function `new` is never used [INFO] [stderr] --> src/lib.rs:421:8 [INFO] [stderr] | [INFO] [stderr] 420 | impl Expr { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] 421 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `might` (lib) generated 2 warnings [INFO] [stderr] warning: `might` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/might-c40ba5b4f5e8e54c) [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 unittests src/main.rs (/opt/rustwide/target/debug/deps/might-79c08c43c7ab66c1) [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 might [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" "68173ec630481ec24a9569ca9bf23a68277d54c7db40fdec91acd5a49c34cbde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68173ec630481ec24a9569ca9bf23a68277d54c7db40fdec91acd5a49c34cbde", kill_on_drop: false }` [INFO] [stdout] 68173ec630481ec24a9569ca9bf23a68277d54c7db40fdec91acd5a49c34cbde