[INFO] fetching crate tango 0.8.3... [INFO] testing tango-0.8.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate tango 0.8.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate tango 0.8.3 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate tango 0.8.3 [INFO] tweaked toml for crates.io crate tango 0.8.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tango 0.8.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tango 0.8.3 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83f9254848d3162fa872c822ecc558cc26adf48eabd3c238e8bd28a9207ba6e7 [INFO] running `Command { std: "docker" "start" "-a" "83f9254848d3162fa872c822ecc558cc26adf48eabd3c238e8bd28a9207ba6e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83f9254848d3162fa872c822ecc558cc26adf48eabd3c238e8bd28a9207ba6e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83f9254848d3162fa872c822ecc558cc26adf48eabd3c238e8bd28a9207ba6e7", kill_on_drop: false }` [INFO] [stdout] 83f9254848d3162fa872c822ecc558cc26adf48eabd3c238e8bd28a9207ba6e7 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ce323c019d066c1aef967e6143894eae1bb67cea101eae38e57e82eddac4b1a [INFO] running `Command { std: "docker" "start" "-a" "3ce323c019d066c1aef967e6143894eae1bb67cea101eae38e57e82eddac4b1a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling tango v0.8.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stdout] warning: unexpected `cfg` condition name: `not_now` [INFO] [stdout] --> src/lib.rs:628:11 [INFO] [stdout] | [INFO] [stdout] 628 | #[cfg(not_now)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(not_now)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(not_now)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `not_possible_right_now` [INFO] [stdout] --> src/lib.rs:814:27 [INFO] [stdout] | [INFO] [stdout] 814 | #[cfg(not_possible_right_now)] assert_eq!(src_time, tgt_time); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(not_possible_right_now)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(not_possible_right_now)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/lib.rs:455:33 [INFO] [stdout] | [INFO] [stdout] 455 | pub struct Error(ErrorKind, PathTransform); [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rs2md.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | NonblankLine(&'a str), [INFO] [stdout] | ------------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `EffectContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 34 - NonblankLine(&'a str), [INFO] [stdout] 34 + NonblankLine(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rs2md.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | Transition(State), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `EffectContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 35 - Transition(State), [INFO] [stdout] 35 + Transition(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s [INFO] running `Command { std: "docker" "inspect" "3ce323c019d066c1aef967e6143894eae1bb67cea101eae38e57e82eddac4b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ce323c019d066c1aef967e6143894eae1bb67cea101eae38e57e82eddac4b1a", kill_on_drop: false }` [INFO] [stdout] 3ce323c019d066c1aef967e6143894eae1bb67cea101eae38e57e82eddac4b1a [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65f42baa2c122f1ff2f4a5caee7ab98c5f3e1f8f9bacf557398b5f955590a023 [INFO] running `Command { std: "docker" "start" "-a" "65f42baa2c122f1ff2f4a5caee7ab98c5f3e1f8f9bacf557398b5f955590a023", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stdout] warning: unexpected `cfg` condition name: `not_now` [INFO] [stdout] --> src/lib.rs:628:11 [INFO] [stdout] | [INFO] [stdout] 628 | #[cfg(not_now)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(not_now)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(not_now)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `not_possible_right_now` [INFO] [stdout] --> src/lib.rs:814:27 [INFO] [stdout] | [INFO] [stdout] 814 | #[cfg(not_possible_right_now)] assert_eq!(src_time, tgt_time); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(not_possible_right_now)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(not_possible_right_now)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/lib.rs:455:33 [INFO] [stdout] | [INFO] [stdout] 455 | pub struct Error(ErrorKind, PathTransform); [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rs2md.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | NonblankLine(&'a str), [INFO] [stdout] | ------------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `EffectContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 34 - NonblankLine(&'a str), [INFO] [stdout] 34 + NonblankLine(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rs2md.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | Transition(State), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `EffectContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 35 - Transition(State), [INFO] [stdout] 35 + Transition(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling tango v0.8.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `not_now` [INFO] [stdout] --> src/lib.rs:628:11 [INFO] [stdout] | [INFO] [stdout] 628 | #[cfg(not_now)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(not_now)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(not_now)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `not_possible_right_now` [INFO] [stdout] --> src/lib.rs:814:27 [INFO] [stdout] | [INFO] [stdout] 814 | #[cfg(not_possible_right_now)] assert_eq!(src_time, tgt_time); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(not_possible_right_now)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(not_possible_right_now)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> tests/runner.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tango` (test "runner") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/lib.rs:455:33 [INFO] [stdout] | [INFO] [stdout] 455 | pub struct Error(ErrorKind, PathTransform); [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rs2md.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | NonblankLine(&'a str), [INFO] [stdout] | ------------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `EffectContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 34 - NonblankLine(&'a str), [INFO] [stdout] 34 + NonblankLine(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rs2md.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | Transition(State), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `EffectContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 35 - Transition(State), [INFO] [stdout] 35 + Transition(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "65f42baa2c122f1ff2f4a5caee7ab98c5f3e1f8f9bacf557398b5f955590a023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65f42baa2c122f1ff2f4a5caee7ab98c5f3e1f8f9bacf557398b5f955590a023", kill_on_drop: false }` [INFO] [stdout] 65f42baa2c122f1ff2f4a5caee7ab98c5f3e1f8f9bacf557398b5f955590a023