[INFO] cloning repository https://github.com/david-why/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-why/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-why%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-why%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68f61db1601ebfdbf11af59772a1998fae584c87
[INFO] testing david-why/learn-rust against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-why%2Flearn-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/david-why/learn-rust
[INFO] finished tweaking git repo https://github.com/david-why/learn-rust
[INFO] tweaked toml for git repo https://github.com/david-why/learn-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david-why/learn-rust on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/david-why/learn-rust 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-util v0.1.6
[INFO] [stderr]   Downloaded cc v1.1.1
[INFO] [stderr]   Downloaded rustls-webpki v0.102.5
[INFO] [stderr]   Downloaded rustls v0.23.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7279a0f6616556cf9faca101a8cce8c422cebe33b758f79313d61b01d740e3dc
[INFO] running `Command { std: "docker" "start" "-a" "7279a0f6616556cf9faca101a8cce8c422cebe33b758f79313d61b01d740e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7279a0f6616556cf9faca101a8cce8c422cebe33b758f79313d61b01d740e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7279a0f6616556cf9faca101a8cce8c422cebe33b758f79313d61b01d740e3dc", kill_on_drop: false }`
[INFO] [stdout] 7279a0f6616556cf9faca101a8cce8c422cebe33b758f79313d61b01d740e3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc81dfc25ed16acf7da5a8048bcabcd91c48455a3424f004f6f8abab3edd1f2b
[INFO] running `Command { std: "docker" "start" "-a" "dc81dfc25ed16acf7da5a8048bcabcd91c48455a3424f004f6f8abab3edd1f2b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling cc v1.1.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/branches)
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> loops/src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let y = 'label: loop {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mybox v0.1.0 (/opt/rustwide/workdir/mybox)
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> structs/src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let black = Color(0, 0, 0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> structs/src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let subject = AlwaysEqual;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user2`
[INFO] [stdout]   --> structs/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let user2 = User {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, `email`, and `sign_in_count` are never read
[INFO] [stdout]  --> structs/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> structs/src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Color(i32, i32, i32);
[INFO] [stdout]   |        ----- ^^^  ^^^  ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_user` is never used
[INFO] [stdout]   --> structs/src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn make_user(username: String, email: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling h2 v0.4.5
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.6
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.5
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.35s
[INFO] running `Command { std: "docker" "inspect" "dc81dfc25ed16acf7da5a8048bcabcd91c48455a3424f004f6f8abab3edd1f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc81dfc25ed16acf7da5a8048bcabcd91c48455a3424f004f6f8abab3edd1f2b", kill_on_drop: false }`
[INFO] [stdout] dc81dfc25ed16acf7da5a8048bcabcd91c48455a3424f004f6f8abab3edd1f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a60c02584252acf619c8cdf6561fb1a96b2a85b779ac8e52e58cd0ae2d42da
[INFO] running `Command { std: "docker" "start" "-a" "47a60c02584252acf619c8cdf6561fb1a96b2a85b779ac8e52e58cd0ae2d42da", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]    Compiling mybox v0.1.0 (/opt/rustwide/workdir/mybox)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/branches)
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> loops/src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let y = 'label: loop {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> structs/src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let black = Color(0, 0, 0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> structs/src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let subject = AlwaysEqual;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user2`
[INFO] [stdout]   --> structs/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let user2 = User {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, `email`, and `sign_in_count` are never read
[INFO] [stdout]  --> structs/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> structs/src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Color(i32, i32, i32);
[INFO] [stdout]   |        ----- ^^^  ^^^  ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_user` is never used
[INFO] [stdout]   --> structs/src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn make_user(username: String, email: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "47a60c02584252acf619c8cdf6561fb1a96b2a85b779ac8e52e58cd0ae2d42da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a60c02584252acf619c8cdf6561fb1a96b2a85b779ac8e52e58cd0ae2d42da", kill_on_drop: false }`
[INFO] [stdout] 47a60c02584252acf619c8cdf6561fb1a96b2a85b779ac8e52e58cd0ae2d42da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5d05bab0fb35df3650dba237f99d53d9ebd7ed5803ad6f1febdb16e81a94747
[INFO] running `Command { std: "docker" "start" "-a" "e5d05bab0fb35df3650dba237f99d53d9ebd7ed5803ad6f1febdb16e81a94747", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused variable: `black`
[INFO] [stderr]   --> structs/src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let black = Color(0, 0, 0);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]   --> structs/src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let subject = AlwaysEqual;
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user2`
[INFO] [stderr]   --> structs/src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let user2 = User {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `active`, `username`, `email`, and `sign_in_count` are never read
[INFO] [stderr]  --> structs/src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct User {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 2 |     active: bool,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 3 |     username: String,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     email: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 5 |     sign_in_count: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]  --> structs/src/main.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Color(i32, i32, i32);
[INFO] [stderr]   |        ----- ^^^  ^^^  ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        fields in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_user` is never used
[INFO] [stderr]   --> structs/src/main.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn make_user(username: String, email: String) -> User {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> loops/src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let y = 'label: loop {
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `structs` (bin "structs" test) generated 6 warnings (run `cargo fix --bin "structs" -p structs --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `loops` (bin "loops" test) generated 1 warning (run `cargo fix --bin "loops" -p loops --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adder-5a8bd4063d2e49f0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::exploration ... ok
[INFO] [stdout] test tests::another ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::another stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::another' (25) panicked at adder/src/lib.rs:17:9:
[INFO] [stdout] this test fails hahahahahahahaha
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5dec48c99ca2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dec48c99ca2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dec48c99ca2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5dec48c99ca2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5dec48ca99c7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5dec48ca99c7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5dec48c68a56 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5dec48c68a56 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5dec48c79069 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5dec48c79069 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5dec48c78f01 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5dec48c3d69e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5dec48c3d69e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5dec48c792e2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5dec48c792e2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5dec48c7915a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5dec48c746f9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5dec48c5d81d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5dec48cb0e0c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5dec48c1e355 - adder::tests::another::h809646afc5c53d26
[INFO] [stdout]                                at /opt/rustwide/workdir/adder/src/lib.rs:17:9
[INFO] [stdout]   20:     0x5dec48c1e377 - adder::tests::another::{{closure}}::h922742d346fdb345
[INFO] [stdout]                                at /opt/rustwide/workdir/adder/src/lib.rs:16:17
[INFO] [stdout]   21:     0x5dec48c1db16 - core::ops::function::FnOnce::call_once::h84dac70dd5b6e128
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5dec48c3d4cb - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5dec48c3d4cb - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x5dec48c50e5a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x5dec48c50e5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x5dec48c50e5a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5dec48c50e5a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5dec48c50e5a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5dec48c50e5a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x5dec48c50e5a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x5dec48c2b0f4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x5dec48c2b0f4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   33:     0x5dec48c2ea22 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   34:     0x5dec48c2ea22 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x5dec48c2ea22 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5dec48c2ea22 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5dec48c2ea22 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5dec48c2ea22 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   39:     0x5dec48c2ea22 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5dec48c6fd8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x5dec48c6fd8f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7c90d41e8aa4 - <unknown>
[INFO] [stdout]   43:     0x7c90d4275a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::another
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p adder --lib`
[INFO] running `Command { std: "docker" "inspect" "e5d05bab0fb35df3650dba237f99d53d9ebd7ed5803ad6f1febdb16e81a94747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d05bab0fb35df3650dba237f99d53d9ebd7ed5803ad6f1febdb16e81a94747", kill_on_drop: false }`
[INFO] [stdout] e5d05bab0fb35df3650dba237f99d53d9ebd7ed5803ad6f1febdb16e81a94747
