[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#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-why%2Flearn-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david-why/learn-rust on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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 rustls-pki-types v1.7.0
[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 h2 v0.4.5
[INFO] [stderr]   Downloaded syn v2.0.71
[INFO] [stderr]   Downloaded openssl v0.10.64
[INFO] [stderr]   Downloaded rustls v0.23.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebfe92abbc29de3b2a7b70267467e0cb966b1a1e83fc0cb9e8ffa17ef24650d7
[INFO] running `Command { std: "docker" "start" "-a" "ebfe92abbc29de3b2a7b70267467e0cb966b1a1e83fc0cb9e8ffa17ef24650d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebfe92abbc29de3b2a7b70267467e0cb966b1a1e83fc0cb9e8ffa17ef24650d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfe92abbc29de3b2a7b70267467e0cb966b1a1e83fc0cb9e8ffa17ef24650d7", kill_on_drop: false }`
[INFO] [stdout] ebfe92abbc29de3b2a7b70267467e0cb966b1a1e83fc0cb9e8ffa17ef24650d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ffe05ae96a83dc6bd6202b906b859ad62b38c710baf7a0c3c07f03c1cdd71d
[INFO] running `Command { std: "docker" "start" "-a" "25ffe05ae96a83dc6bd6202b906b859ad62b38c710baf7a0c3c07f03c1cdd71d", 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 futures-io v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]    Compiling http v1.1.0
[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 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 branches v0.1.0 (/opt/rustwide/workdir/branches)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[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 unicode-normalization v0.1.23
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling native-tls v0.2.12
[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 tokio v1.38.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[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 27.10s
[INFO] running `Command { std: "docker" "inspect" "25ffe05ae96a83dc6bd6202b906b859ad62b38c710baf7a0c3c07f03c1cdd71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ffe05ae96a83dc6bd6202b906b859ad62b38c710baf7a0c3c07f03c1cdd71d", kill_on_drop: false }`
[INFO] [stdout] 25ffe05ae96a83dc6bd6202b906b859ad62b38c710baf7a0c3c07f03c1cdd71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c546a2d74cb9771e6cd2c66178dbe5fd1f74a32d56450f78c6dcb6b378df12
[INFO] running `Command { std: "docker" "start" "-a" "77c546a2d74cb9771e6cd2c66178dbe5fd1f74a32d56450f78c6dcb6b378df12", 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 slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[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 adder v0.1.0 (/opt/rustwide/workdir/adder)
[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 branches v0.1.0 (/opt/rustwide/workdir/branches)
[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 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: `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] [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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "77c546a2d74cb9771e6cd2c66178dbe5fd1f74a32d56450f78c6dcb6b378df12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c546a2d74cb9771e6cd2c66178dbe5fd1f74a32d56450f78c6dcb6b378df12", kill_on_drop: false }`
[INFO] [stdout] 77c546a2d74cb9771e6cd2c66178dbe5fd1f74a32d56450f78c6dcb6b378df12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec0f930c2702d72631b8a38ea8f42343fc11e7cb63d2b3feb54fbd6616def9b0
[INFO] running `Command { std: "docker" "start" "-a" "ec0f930c2702d72631b8a38ea8f42343fc11e7cb63d2b3feb54fbd6616def9b0", 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: `structs` (bin "structs" test) generated 6 warnings (run `cargo fix --bin "structs" -p structs --tests` to apply 3 suggestions)
[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: `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 0.18s
[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] [stderr] error: test failed, to rerun pass `-p adder --lib`
[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' (17) panicked at adder/src/lib.rs:17:9:
[INFO] [stdout] this test fails hahahahahahahaha
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e7ad42d04ca - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e7ad42d04ca - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e7ad42d04ca - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e7ad42d04ca - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e7ad42e416a - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e7ad42e416a - core[786f478f706679df]::fmt::write
[INFO] [stdout]    6:     0x5e7ad42d4d52 - std[f92b4c606f291077]::io::default_write_fmt::<alloc[64763625b5a07cdb]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e7ad42d4d52 - <alloc[64763625b5a07cdb]::vec::Vec<u8> as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e7ad42af6ef - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e7ad42af6ef - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e7ad42c8a89 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e7ad4265c4c - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5e7ad4265c4c - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e7ad42c8c42 - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5e7ad42c8c42 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e7ad42af7da - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5e7ad42a7149 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e7ad42b04bd - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e7ad42e485c - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e7ad4259695 - adder[1b964f77e1121896]::tests::another
[INFO] [stdout]                                at /opt/rustwide/workdir/adder/src/lib.rs:17:9
[INFO] [stdout]   20:     0x5e7ad4259327 - adder[1b964f77e1121896]::tests::another::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/adder/src/lib.rs:16:17
[INFO] [stdout]   21:     0x5e7ad4259c56 - <adder[1b964f77e1121896]::tests::another::{closure#0} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5e7ad4259d2b - <fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5e7ad4259d2b - test[20e1f0ae6cad7a17]::__rust_begin_short_backtrace::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x5e7ad426671b - test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x5e7ad426671b - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x5e7ad426671b - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5e7ad426671b - std[f92b4c606f291077]::panicking::catch_unwind::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5e7ad426671b - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5e7ad426671b - test[20e1f0ae6cad7a17]::run_test_in_process
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x5e7ad426671b - test[20e1f0ae6cad7a17]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x5e7ad4261e34 - test[20e1f0ae6cad7a17]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x5e7ad4261e34 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x5e7ad4269322 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x5e7ad4269322 - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x5e7ad4269322 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5e7ad4269322 - std[f92b4c606f291077]::panicking::catch_unwind::<(), core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5e7ad4269322 - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5e7ad4269322 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x5e7ad4269322 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5e7ad42cfddf - <alloc[64763625b5a07cdb]::boxed::Box<dyn core[786f478f706679df]::ops::function::FnOnce<(), Output = ()> + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x5e7ad42cfddf - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7c12347bcaa4 - <unknown>
[INFO] [stdout]   43:     0x7c1234849a64 - 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] running `Command { std: "docker" "inspect" "ec0f930c2702d72631b8a38ea8f42343fc11e7cb63d2b3feb54fbd6616def9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0f930c2702d72631b8a38ea8f42343fc11e7cb63d2b3feb54fbd6616def9b0", kill_on_drop: false }`
[INFO] [stdout] ec0f930c2702d72631b8a38ea8f42343fc11e7cb63d2b3feb54fbd6616def9b0
