[INFO] fetching crate crackle 0.2.3... [INFO] building crackle-0.2.3 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] extracting crate crackle 0.2.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate crackle 0.2.3 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate crackle 0.2.3 [INFO] finished tweaking crates.io crate crackle 0.2.3 [INFO] tweaked toml for crates.io crate crackle 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate crackle 0.2.3 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded js_option v0.1.0 [INFO] [stderr] Downloaded wildmatch v2.1.0 [INFO] [stderr] Downloaded ruma-identifiers-validation v0.8.1 [INFO] [stderr] Downloaded scanpw v0.1.0 [INFO] [stderr] Downloaded ruma v0.6.4 [INFO] [stderr] Downloaded ruma-macros v0.9.3 [INFO] [stderr] Downloaded unicode-linebreak v0.1.2 [INFO] [stderr] Downloaded ruma-client-api v0.14.1 [INFO] [stderr] Downloaded ruma-common v0.9.3 [INFO] [stderr] Downloaded crackle-lib v0.2.10 [INFO] [stderr] Downloaded ruma-client v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59df5b18f19e534bd8f3974d2ad812d3800517331730674adcf17e4e071bbc3d [INFO] running `Command { std: "docker" "start" "-a" "59df5b18f19e534bd8f3974d2ad812d3800517331730674adcf17e4e071bbc3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59df5b18f19e534bd8f3974d2ad812d3800517331730674adcf17e4e071bbc3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59df5b18f19e534bd8f3974d2ad812d3800517331730674adcf17e4e071bbc3d", kill_on_drop: false }` [INFO] [stdout] 59df5b18f19e534bd8f3974d2ad812d3800517331730674adcf17e4e071bbc3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d922079cbaa49be1ceec4992dcb25014ec605b90f057ac9f21cc2387d5460375 [INFO] running `Command { std: "docker" "start" "-a" "d922079cbaa49be1ceec4992dcb25014ec605b90f057ac9f21cc2387d5460375", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling tracing-core v0.1.27 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling rustls v0.20.4 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling wildmatch v2.1.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rustls-pemfile v0.3.0 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling ipnet v2.5.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling ruma-client v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling assign v1.1.1 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling mio v0.8.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling uuid v1.0.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling signal-hook-mio v0.2.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling os_str_bytes v6.0.1 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling smawk v0.3.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling crossterm v0.17.7 [INFO] [stderr] Compiling clap_lex v0.2.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling crossterm v0.22.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling cassowary v0.3.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling crossterm v0.23.0 [INFO] [stderr] Compiling tui v0.17.0 [INFO] [stderr] Compiling webpki v0.22.0 [INFO] [stderr] Compiling sct v0.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling webpki-roots v0.22.2 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Compiling scanpw v0.1.0 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling async-stream v0.3.3 [INFO] [stderr] Compiling tracing v0.1.35 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling ruma-identifiers-validation v0.8.1 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling ruma-macros v0.9.3 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling tokio-util v0.7.1 [INFO] [stderr] Compiling tokio-rustls v0.23.3 [INFO] [stderr] Compiling js_option v0.1.0 [INFO] [stderr] Compiling js_int v0.2.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling h2 v0.3.13 [INFO] [stderr] Compiling clap v3.1.18 [INFO] [stderr] Compiling serde_yaml v0.8.23 [INFO] [stderr] Compiling ruma-common v0.9.3 [INFO] [stderr] Compiling hyper v0.14.18 [INFO] [stderr] Compiling hyper-rustls v0.23.0 [INFO] [stderr] Compiling reqwest v0.11.10 [INFO] [stderr] Compiling ruma-client-api v0.14.1 [INFO] [stderr] Compiling ruma v0.6.4 [INFO] [stderr] Compiling crackle-lib v0.2.10 [INFO] [stderr] Compiling crackle v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 141 | .1 [INFO] [stdout] | _______________^ [INFO] [stdout] 142 | | .clone() [INFO] [stdout] | |____________________^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `Command { std: "docker" "inspect" "d922079cbaa49be1ceec4992dcb25014ec605b90f057ac9f21cc2387d5460375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d922079cbaa49be1ceec4992dcb25014ec605b90f057ac9f21cc2387d5460375", kill_on_drop: false }` [INFO] [stdout] d922079cbaa49be1ceec4992dcb25014ec605b90f057ac9f21cc2387d5460375 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e2ca9863c14babafae1ee51e9d2d4d369aed66540d643259965754f6abf235d [INFO] running `Command { std: "docker" "start" "-a" "3e2ca9863c14babafae1ee51e9d2d4d369aed66540d643259965754f6abf235d", kill_on_drop: false }` [INFO] [stderr] Compiling crackle v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 141 | .1 [INFO] [stdout] | _______________^ [INFO] [stdout] 142 | | .clone() [INFO] [stdout] | |____________________^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "3e2ca9863c14babafae1ee51e9d2d4d369aed66540d643259965754f6abf235d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e2ca9863c14babafae1ee51e9d2d4d369aed66540d643259965754f6abf235d", kill_on_drop: false }` [INFO] [stdout] 3e2ca9863c14babafae1ee51e9d2d4d369aed66540d643259965754f6abf235d