[INFO] cloning repository https://github.com/AashrayAnand/100-days-of-learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AashrayAnand/100-days-of-learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAashrayAnand%2F100-days-of-learning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAashrayAnand%2F100-days-of-learning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8a994ef30e6645ac7cea0e9e424972c48d5025e
[INFO] checking AashrayAnand/100-days-of-learning-rust against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAashrayAnand%2F100-days-of-learning-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AashrayAnand/100-days-of-learning-rust
[INFO] finished tweaking git repo https://github.com/AashrayAnand/100-days-of-learning-rust
[INFO] tweaked toml for git repo https://github.com/AashrayAnand/100-days-of-learning-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AashrayAnand/100-days-of-learning-rust on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AashrayAnand/100-days-of-learning-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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71a9e4b161a0cfa20386f32796010a1345b8f8721bc0aa2c25fea874b9ebe05a
[INFO] running `Command { std: "docker" "start" "-a" "71a9e4b161a0cfa20386f32796010a1345b8f8721bc0aa2c25fea874b9ebe05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a9e4b161a0cfa20386f32796010a1345b8f8721bc0aa2c25fea874b9ebe05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a9e4b161a0cfa20386f32796010a1345b8f8721bc0aa2c25fea874b9ebe05a", kill_on_drop: false }`
[INFO] [stdout] 71a9e4b161a0cfa20386f32796010a1345b8f8721bc0aa2c25fea874b9ebe05a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50000e843ff7939041a95389498aeee76a61656ff19b862082d315da35298c97
[INFO] running `Command { std: "docker" "start" "-a" "50000e843ff7939041a95389498aeee76a61656ff19b862082d315da35298c97", kill_on_drop: false }`
[INFO] [stderr]     Checking week-01-memory-layout v0.1.0 (/opt/rustwide/workdir/weeks/week-01-memory-layout)
[INFO] [stdout] warning: fields `f0`, `f1`, `f2`, `f3`, and `f4` are never read
[INFO] [stdout]   --> weeks/week-01-memory-layout/src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     struct LotsOfSmallAndOneBig {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 73 |         f0: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 74 |         f1: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 75 |         f2: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 76 |         f3: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 77 |         f4: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f0` and `f1` are never read
[INFO] [stdout]   --> weeks/week-01-memory-layout/src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     struct SmallAndBig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 81 |         f0: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 82 |         f1: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `float_field`, `unsigned_field`, and `glob_str` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     struct RandomSubData {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 104 |         float_field: f32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 105 |         unsigned_field: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 106 |         glob_str: &'static str,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_field`, `flag`, `float_field`, `unsigned_field`, and `glob_str` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     struct RandomData {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 110 |         num_field: i32,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 111 |         flag: bool,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 112 |         float_field: f32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 113 |         unsigned_field: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 114 |         glob_str: &'static str,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f1`, `f2`, and `f3` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     struct BadOrderTwoSmall {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 136 |         f1: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 137 |         f2: u32,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 138 |         f3: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, `c`, `d`, and `e` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     struct ManyFields {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 142 |         a: u8,
[INFO] [stdout]     |         ^
[INFO] [stdout] 143 |         b: u64,
[INFO] [stdout]     |         ^
[INFO] [stdout] 144 |         c: u8,
[INFO] [stdout]     |         ^
[INFO] [stdout] 145 |         d: u32,
[INFO] [stdout]     |         ^
[INFO] [stdout] 146 |         e: u16,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f0`, `f1`, `f2`, `f3`, and `f4` are never read
[INFO] [stdout]   --> weeks/week-01-memory-layout/src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     struct LotsOfSmallAndOneBig {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 73 |         f0: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 74 |         f1: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 75 |         f2: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 76 |         f3: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 77 |         f4: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f0` and `f1` are never read
[INFO] [stdout]   --> weeks/week-01-memory-layout/src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     struct SmallAndBig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 81 |         f0: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 82 |         f1: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `float_field`, `unsigned_field`, and `glob_str` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     struct RandomSubData {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 104 |         float_field: f32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 105 |         unsigned_field: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 106 |         glob_str: &'static str,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_field`, `flag`, `float_field`, `unsigned_field`, and `glob_str` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     struct RandomData {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 110 |         num_field: i32,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 111 |         flag: bool,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 112 |         float_field: f32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 113 |         unsigned_field: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 114 |         glob_str: &'static str,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f1`, `f2`, and `f3` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     struct BadOrderTwoSmall {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 136 |         f1: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 137 |         f2: u32,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 138 |         f3: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, `c`, `d`, and `e` are never read
[INFO] [stdout]    --> weeks/week-01-memory-layout/src/main.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     struct ManyFields {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 142 |         a: u8,
[INFO] [stdout]     |         ^
[INFO] [stdout] 143 |         b: u64,
[INFO] [stdout]     |         ^
[INFO] [stdout] 144 |         c: u8,
[INFO] [stdout]     |         ^
[INFO] [stdout] 145 |         d: u32,
[INFO] [stdout]     |         ^
[INFO] [stdout] 146 |         e: u16,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `compare_with_c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "50000e843ff7939041a95389498aeee76a61656ff19b862082d315da35298c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50000e843ff7939041a95389498aeee76a61656ff19b862082d315da35298c97", kill_on_drop: false }`
[INFO] [stdout] 50000e843ff7939041a95389498aeee76a61656ff19b862082d315da35298c97
