[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 master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-why%2Flearn-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david-why/learn-rust on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.6.0
[INFO] [stderr]   Downloaded fastrand v2.1.0
[INFO] [stderr]   Downloaded security-framework-sys v2.11.0
[INFO] [stderr]   Downloaded cc v1.1.1
[INFO] [stderr]   Downloaded tempfile v3.10.1
[INFO] [stderr]   Downloaded schannel v0.1.23
[INFO] [stderr]   Downloaded security-framework v2.11.0
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.102
[INFO] [stderr]   Downloaded h2 v0.4.5
[INFO] [stderr]   Downloaded rustls-webpki v0.102.5
[INFO] [stderr]   Downloaded syn v2.0.71
[INFO] [stderr]   Downloaded object v0.36.1
[INFO] [stderr]   Downloaded openssl v0.10.64
[INFO] [stderr]   Downloaded rustix v0.38.34
[INFO] [stderr]   Downloaded rustls v0.23.11
[INFO] [stderr]   Downloaded tokio v1.38.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2adf8a71c8de9c4d771196dfa5e72c9842fd14a7044677807258357b93325972
[INFO] running `Command { std: "docker" "start" "-a" "2adf8a71c8de9c4d771196dfa5e72c9842fd14a7044677807258357b93325972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2adf8a71c8de9c4d771196dfa5e72c9842fd14a7044677807258357b93325972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2adf8a71c8de9c4d771196dfa5e72c9842fd14a7044677807258357b93325972", kill_on_drop: false }`
[INFO] [stdout] 2adf8a71c8de9c4d771196dfa5e72c9842fd14a7044677807258357b93325972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a95c1e47c63cb0c9b0e1e728b47ba7f612fd54bf2e2c8a38b30e849c8a4151e
[INFO] running `Command { std: "docker" "start" "-a" "8a95c1e47c63cb0c9b0e1e728b47ba7f612fd54bf2e2c8a38b30e849c8a4151e", 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 bytes v1.6.0
[INFO] [stderr]    Compiling cc v1.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/branches)
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stderr]    Compiling mybox v0.1.0 (/opt/rustwide/workdir/mybox)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/functions)
[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 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 variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[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 rand v0.8.5
[INFO] [stderr]    Compiling tokio v1.38.0
[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 guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.4.5
[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 31.26s
[INFO] running `Command { std: "docker" "inspect" "8a95c1e47c63cb0c9b0e1e728b47ba7f612fd54bf2e2c8a38b30e849c8a4151e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a95c1e47c63cb0c9b0e1e728b47ba7f612fd54bf2e2c8a38b30e849c8a4151e", kill_on_drop: false }`
[INFO] [stdout] 8a95c1e47c63cb0c9b0e1e728b47ba7f612fd54bf2e2c8a38b30e849c8a4151e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7813a1b0f609d3c1c5c2274a15030cedbe82e53ec09b8c4f4d4c7783cbfb764
[INFO] running `Command { std: "docker" "start" "-a" "d7813a1b0f609d3c1c5c2274a15030cedbe82e53ec09b8c4f4d4c7783cbfb764", 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 minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/functions)
[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 hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/branches)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stderr]    Compiling mybox v0.1.0 (/opt/rustwide/workdir/mybox)
[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 guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[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 1.59s
[INFO] running `Command { std: "docker" "inspect" "d7813a1b0f609d3c1c5c2274a15030cedbe82e53ec09b8c4f4d4c7783cbfb764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7813a1b0f609d3c1c5c2274a15030cedbe82e53ec09b8c4f4d4c7783cbfb764", kill_on_drop: false }`
[INFO] [stdout] d7813a1b0f609d3c1c5c2274a15030cedbe82e53ec09b8c4f4d4c7783cbfb764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb4d4643dc120818e65fab06b12e4b7520f1e87a75caeffb4ff048af9896a258
[INFO] running `Command { std: "docker" "start" "-a" "fb4d4643dc120818e65fab06b12e4b7520f1e87a75caeffb4ff048af9896a258", 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 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adder-2ade7e6a77262bc8)
[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' (18) panicked at adder/src/lib.rs:17:9:
[INFO] [stdout] this test fails hahahahahahahaha
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a656a8b07b8 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a656a8b07b8 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a656a8b07b8 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a656a8b07b8 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a656a8c45aa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a656a8c45aa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5a656a8b4fd2 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5a656a8b4fd2 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5a656a88f966 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a656a88f966 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a656a8a8d09 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a656a844dbc - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5a656a844dbc - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5a656a8a8ec2 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5a656a8a8ec2 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a656a88fa54 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5a656a884c29 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a656a89073d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a656a8c4c9c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a656a8378d5 - adder[c6589b37e2d6eb9a]::tests::another
[INFO] [stdout]                                at /opt/rustwide/workdir/adder/src/lib.rs:17:9
[INFO] [stdout]   20:     0x5a656a8374c7 - adder[c6589b37e2d6eb9a]::tests::another::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/adder/src/lib.rs:16:17
[INFO] [stdout]   21:     0x5a656a837dc6 - <adder[c6589b37e2d6eb9a]::tests::another::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5a656a837e9b - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5a656a837e9b - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x5a656a845715 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x5a656a845715 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x5a656a845715 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5a656a845715 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5a656a845715 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5a656a845715 - test[6ec0502068880816]::run_test_in_process
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x5a656a845715 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x5a656a840274 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x5a656a840274 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x5a656a848792 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x5a656a848792 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x5a656a848792 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5a656a848792 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5a656a848792 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5a656a848792 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x5a656a848792 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5a656a8b011f - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   41:     0x5a656a8b011f - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7c9f53478aa4 - <unknown>
[INFO] [stdout]   43:     0x7c9f53505a64 - 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" "fb4d4643dc120818e65fab06b12e4b7520f1e87a75caeffb4ff048af9896a258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4d4643dc120818e65fab06b12e4b7520f1e87a75caeffb4ff048af9896a258", kill_on_drop: false }`
[INFO] [stdout] fb4d4643dc120818e65fab06b12e4b7520f1e87a75caeffb4ff048af9896a258
