[INFO] cloning repository https://github.com/jsq1234/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsq1234/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d7252741b14c1af3c908a0e713b932a6fb00e5c [INFO] testing jsq1234/rust-practice against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsq1234/rust-practice on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsq1234/rust-practice [INFO] finished tweaking git repo https://github.com/jsq1234/rust-practice [INFO] tweaked toml for git repo https://github.com/jsq1234/rust-practice written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jsq1234/rust-practice 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c7056f325c96275bcb409a4e4402763e22244611d1f67d0282b42aadf7d43d5 [INFO] running `Command { std: "docker" "start" "-a" "3c7056f325c96275bcb409a4e4402763e22244611d1f67d0282b42aadf7d43d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c7056f325c96275bcb409a4e4402763e22244611d1f67d0282b42aadf7d43d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c7056f325c96275bcb409a4e4402763e22244611d1f67d0282b42aadf7d43d5", kill_on_drop: false }` [INFO] [stdout] 3c7056f325c96275bcb409a4e4402763e22244611d1f67d0282b42aadf7d43d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d48e6dbdf53d2c0127681db9eda9063cc092192b7335c8f9cf7c28d9e002d7a [INFO] running `Command { std: "docker" "start" "-a" "2d48e6dbdf53d2c0127681db9eda9063cc092192b7335c8f9cf7c28d9e002d7a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling itoa v1.0.10 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling openssl v0.10.61 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling try-lock v0.2.5 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling ryu v1.0.16 [INFO] [stderr] Compiling http v0.2.11 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling httpdate v1.0.3 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling tower-service v0.3.2 [INFO] [stderr] Compiling unicode-bidi v0.3.14 [INFO] [stderr] Compiling encoding_rs v0.8.33 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling base64 v0.21.5 [INFO] [stderr] Compiling ipnet v2.9.0 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling mio v0.8.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling openssl-sys v0.9.97 [INFO] [stderr] Compiling idna v0.5.0 [INFO] [stderr] Compiling url v2.5.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling tokio v1.35.0 [INFO] [stderr] Compiling tokio-util v0.7.10 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.3.22 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling hyper v0.14.27 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.22 [INFO] [stderr] Compiling fun1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.22s [INFO] running `Command { std: "docker" "inspect" "2d48e6dbdf53d2c0127681db9eda9063cc092192b7335c8f9cf7c28d9e002d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d48e6dbdf53d2c0127681db9eda9063cc092192b7335c8f9cf7c28d9e002d7a", kill_on_drop: false }` [INFO] [stdout] 2d48e6dbdf53d2c0127681db9eda9063cc092192b7335c8f9cf7c28d9e002d7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f76f31c104990abab1c5f275fe67ab1c74e9fc56d372908ac45885ad42f8a3d [INFO] running `Command { std: "docker" "start" "-a" "2f76f31c104990abab1c5f275fe67ab1c74e9fc56d372908ac45885ad42f8a3d", kill_on_drop: false }` [INFO] [stderr] Compiling fun1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "2f76f31c104990abab1c5f275fe67ab1c74e9fc56d372908ac45885ad42f8a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f76f31c104990abab1c5f275fe67ab1c74e9fc56d372908ac45885ad42f8a3d", kill_on_drop: false }` [INFO] [stdout] 2f76f31c104990abab1c5f275fe67ab1c74e9fc56d372908ac45885ad42f8a3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3de8b6f046ad4fa571e5eb58949751748e7519da982a3aba875e4f7ad311b516 [INFO] running `Command { std: "docker" "start" "-a" "3de8b6f046ad4fa571e5eb58949751748e7519da982a3aba875e4f7ad311b516", kill_on_drop: false }` [INFO] [stderr] warning: fields `val` and `next` are never read [INFO] [stderr] --> src/lib.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 34 | struct Node { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 35 | val: T, [INFO] [stderr] | ^^^ [INFO] [stderr] 36 | next: Option>>, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `fun1` (lib) generated 1 warning [INFO] [stderr] warning: `fun1` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fun1-770e3c0c2cd88fcc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::inorder_traversal_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fun1-c6833b463b639c38) [INFO] [stderr] Doc-tests fun1 [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] [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" "3de8b6f046ad4fa571e5eb58949751748e7519da982a3aba875e4f7ad311b516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3de8b6f046ad4fa571e5eb58949751748e7519da982a3aba875e4f7ad311b516", kill_on_drop: false }` [INFO] [stdout] 3de8b6f046ad4fa571e5eb58949751748e7519da982a3aba875e4f7ad311b516