[INFO] cloning repository https://github.com/romnn/serde_json_merge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romnn/serde_json_merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02f6feef35acde51b1fcc25a9f6242afb0ae7d78 [INFO] checking romnn/serde_json_merge against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/romnn/serde_json_merge on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/romnn/serde_json_merge [INFO] finished tweaking git repo https://github.com/romnn/serde_json_merge [INFO] tweaked toml for git repo https://github.com/romnn/serde_json_merge written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/romnn/serde_json_merge 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded par-dfs v0.0.7 [INFO] [stderr] Downloaded paste v1.0.13 [INFO] [stderr] Downloaded regex-automata v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ceded863c2fd5a3fe078e77f9e9817df4ddcb60df8f5c778c11f6bb35292af27 [INFO] running `Command { std: "docker" "start" "-a" "ceded863c2fd5a3fe078e77f9e9817df4ddcb60df8f5c778c11f6bb35292af27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ceded863c2fd5a3fe078e77f9e9817df4ddcb60df8f5c778c11f6bb35292af27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceded863c2fd5a3fe078e77f9e9817df4ddcb60df8f5c778c11f6bb35292af27", kill_on_drop: false }` [INFO] [stdout] ceded863c2fd5a3fe078e77f9e9817df4ddcb60df8f5c778c11f6bb35292af27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45b52963f9a15b296b330f4687cbff0dc39cf53f99a9c719d4baa2c4f848bfc3 [INFO] running `Command { std: "docker" "start" "-a" "45b52963f9a15b296b330f4687cbff0dc39cf53f99a9c719d4baa2c4f848bfc3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling serde v1.0.167 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling serde_json v1.0.100 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking equivalent v1.0.0 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Compiling paste v1.0.13 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling syn v2.0.23 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking regex-automata v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.167 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking fancy-regex v0.11.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking serde_json_merge v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/iter/dfs.rs:253:28 [INFO] [stdout] | [INFO] [stdout] 249 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 253 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/merge/union.rs:124:28 [INFO] [stdout] | [INFO] [stdout] 120 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 124 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.62s [INFO] running `Command { std: "docker" "inspect" "45b52963f9a15b296b330f4687cbff0dc39cf53f99a9c719d4baa2c4f848bfc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45b52963f9a15b296b330f4687cbff0dc39cf53f99a9c719d4baa2c4f848bfc3", kill_on_drop: false }` [INFO] [stdout] 45b52963f9a15b296b330f4687cbff0dc39cf53f99a9c719d4baa2c4f848bfc3 [INFO] checking romnn/serde_json_merge against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/romnn/serde_json_merge on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/romnn/serde_json_merge [INFO] finished tweaking git repo https://github.com/romnn/serde_json_merge [INFO] tweaked toml for git repo https://github.com/romnn/serde_json_merge written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/romnn/serde_json_merge 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69f7e54147045e9163223acaf29a3341a0f4af2604134265b526361ee4a59d6c [INFO] running `Command { std: "docker" "start" "-a" "69f7e54147045e9163223acaf29a3341a0f4af2604134265b526361ee4a59d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69f7e54147045e9163223acaf29a3341a0f4af2604134265b526361ee4a59d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69f7e54147045e9163223acaf29a3341a0f4af2604134265b526361ee4a59d6c", kill_on_drop: false }` [INFO] [stdout] 69f7e54147045e9163223acaf29a3341a0f4af2604134265b526361ee4a59d6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3f9d6dd48f449a0edde4567be5e6573e298fbb661fd7dcba8ba573fbd73acb7 [INFO] running `Command { std: "docker" "start" "-a" "a3f9d6dd48f449a0edde4567be5e6573e298fbb661fd7dcba8ba573fbd73acb7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling serde v1.0.167 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling serde_json v1.0.100 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking equivalent v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Compiling paste v1.0.13 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling syn v2.0.23 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.3.1 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.167 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking fancy-regex v0.11.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking serde_json_merge v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/iter/dfs.rs:253:28 [INFO] [stdout] | [INFO] [stdout] 249 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 253 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/merge/union.rs:124:28 [INFO] [stdout] | [INFO] [stdout] 120 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 124 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.39s [INFO] running `Command { std: "docker" "inspect" "a3f9d6dd48f449a0edde4567be5e6573e298fbb661fd7dcba8ba573fbd73acb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3f9d6dd48f449a0edde4567be5e6573e298fbb661fd7dcba8ba573fbd73acb7", kill_on_drop: false }` [INFO] [stdout] a3f9d6dd48f449a0edde4567be5e6573e298fbb661fd7dcba8ba573fbd73acb7