[INFO] fetching crate serde_tuple 0.5.0... [INFO] testing serde_tuple-0.5.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate serde_tuple 0.5.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate serde_tuple 0.5.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_tuple 0.5.0 [INFO] finished tweaking crates.io crate serde_tuple 0.5.0 [INFO] tweaked toml for crates.io crate serde_tuple 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate crates.io crate serde_tuple 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded syn v0.15.36 [INFO] [stderr] Downloaded serde_tuple_macros v0.5.0 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f08816861466c63ec7dcb77b78228857165a214da5c3610cf100a6ea6dfeba7e [INFO] running `Command { std: "docker" "start" "-a" "f08816861466c63ec7dcb77b78228857165a214da5c3610cf100a6ea6dfeba7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f08816861466c63ec7dcb77b78228857165a214da5c3610cf100a6ea6dfeba7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f08816861466c63ec7dcb77b78228857165a214da5c3610cf100a6ea6dfeba7e", kill_on_drop: false }` [INFO] [stdout] f08816861466c63ec7dcb77b78228857165a214da5c3610cf100a6ea6dfeba7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44896d7b6a9b376c78f351fdbd3e89838225fbcdda4c6074191fc76120f9fa0c [INFO] running `Command { std: "docker" "start" "-a" "44896d7b6a9b376c78f351fdbd3e89838225fbcdda4c6074191fc76120f9fa0c", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling serde_tuple_macros v0.5.0 [INFO] [stderr] Compiling serde_tuple v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.47s [INFO] running `Command { std: "docker" "inspect" "44896d7b6a9b376c78f351fdbd3e89838225fbcdda4c6074191fc76120f9fa0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44896d7b6a9b376c78f351fdbd3e89838225fbcdda4c6074191fc76120f9fa0c", kill_on_drop: false }` [INFO] [stdout] 44896d7b6a9b376c78f351fdbd3e89838225fbcdda4c6074191fc76120f9fa0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e934073e3d2c68de22fc834cba1b8323e238b4f695582e703338bc8ccee6ea7 [INFO] running `Command { std: "docker" "start" "-a" "6e934073e3d2c68de22fc834cba1b8323e238b4f695582e703338bc8ccee6ea7", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling serde_tuple v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> examples/simple.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ok` [INFO] [stdout] --> examples/simple.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Ok; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "6e934073e3d2c68de22fc834cba1b8323e238b4f695582e703338bc8ccee6ea7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e934073e3d2c68de22fc834cba1b8323e238b4f695582e703338bc8ccee6ea7", kill_on_drop: false }` [INFO] [stdout] 6e934073e3d2c68de22fc834cba1b8323e238b4f695582e703338bc8ccee6ea7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] be3762b2d1e71962e7c303bf20a56bff5fdead3290fcebb4442d349f97987f05 [INFO] running `Command { std: "docker" "start" "-a" "be3762b2d1e71962e7c303bf20a56bff5fdead3290fcebb4442d349f97987f05", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::borrow::Cow` [INFO] [stderr] --> examples/simple.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::borrow::Cow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Ok` [INFO] [stderr] --> examples/simple.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | struct Ok; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serde_tuple-78a90fa813126607) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Doc-tests serde_tuple [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'rustc' has overflowed its stack [INFO] [stdout] fatal runtime error: stack overflow [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 5) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "be3762b2d1e71962e7c303bf20a56bff5fdead3290fcebb4442d349f97987f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be3762b2d1e71962e7c303bf20a56bff5fdead3290fcebb4442d349f97987f05", kill_on_drop: false }` [INFO] [stdout] be3762b2d1e71962e7c303bf20a56bff5fdead3290fcebb4442d349f97987f05