[INFO] cloning repository https://github.com/anand-prem/twenty-one-days-of-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anand-prem/twenty-one-days-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ad786cdac09e8851e2d7db341d8ae844977a2f9
[INFO] testing anand-prem/twenty-one-days-of-rust against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anand-prem/twenty-one-days-of-rust on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anand-prem/twenty-one-days-of-rust
[INFO] finished tweaking git repo https://github.com/anand-prem/twenty-one-days-of-rust
[INFO] tweaked toml for git repo https://github.com/anand-prem/twenty-one-days-of-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anand-prem/twenty-one-days-of-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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b124bf79139ceffc7adf082d0f969bb3df2dddcbff154720aeaff4b1f42ebab9
[INFO] running `Command { std: "docker" "start" "-a" "b124bf79139ceffc7adf082d0f969bb3df2dddcbff154720aeaff4b1f42ebab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b124bf79139ceffc7adf082d0f969bb3df2dddcbff154720aeaff4b1f42ebab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b124bf79139ceffc7adf082d0f969bb3df2dddcbff154720aeaff4b1f42ebab9", kill_on_drop: false }`
[INFO] [stdout] b124bf79139ceffc7adf082d0f969bb3df2dddcbff154720aeaff4b1f42ebab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58a1a458be8f44103654f5c4d6537e6ff59dde5a829ff647ee5c516b973d6cca
[INFO] running `Command { std: "docker" "start" "-a" "58a1a458be8f44103654f5c4d6537e6ff59dde5a829ff647ee5c516b973d6cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling twenty-one-days-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/day_1.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |   struct Person<'a> {
[INFO] [stdout]    |          ------ fields in this struct
[INFO] [stdout] 31 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     age: u8
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number_match` is never used
[INFO] [stdout]   --> src/half_hour.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn print_number_match(n: Number) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "58a1a458be8f44103654f5c4d6537e6ff59dde5a829ff647ee5c516b973d6cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a1a458be8f44103654f5c4d6537e6ff59dde5a829ff647ee5c516b973d6cca", kill_on_drop: false }`
[INFO] [stdout] 58a1a458be8f44103654f5c4d6537e6ff59dde5a829ff647ee5c516b973d6cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09811ef3d98d9301154737a7dc29e9b1fa05fe38ca6479cf818ec29b98032080
[INFO] running `Command { std: "docker" "start" "-a" "09811ef3d98d9301154737a7dc29e9b1fa05fe38ca6479cf818ec29b98032080", kill_on_drop: false }`
[INFO] [stderr]    Compiling twenty-one-days-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/day_1.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |   struct Person<'a> {
[INFO] [stdout]    |          ------ fields in this struct
[INFO] [stdout] 31 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     age: u8
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number_match` is never used
[INFO] [stdout]   --> src/half_hour.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn print_number_match(n: Number) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "09811ef3d98d9301154737a7dc29e9b1fa05fe38ca6479cf818ec29b98032080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09811ef3d98d9301154737a7dc29e9b1fa05fe38ca6479cf818ec29b98032080", kill_on_drop: false }`
[INFO] [stdout] 09811ef3d98d9301154737a7dc29e9b1fa05fe38ca6479cf818ec29b98032080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b828020dac9ad4ded74fcca5001a1e36c0daa03730ef902a3fc83d378870a83
[INFO] running `Command { std: "docker" "start" "-a" "4b828020dac9ad4ded74fcca5001a1e36c0daa03730ef902a3fc83d378870a83", kill_on_drop: false }`
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stderr]   --> src/day_1.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |   struct Person<'a> {
[INFO] [stderr]    |          ------ fields in this struct
[INFO] [stderr] 31 |     name: &'a str,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 32 |     age: u8
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_number_match` is never used
[INFO] [stderr]   --> src/half_hour.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn print_number_match(n: Number) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `twenty-one-days-of-rust` (bin "twenty-one-days-of-rust" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/twenty_one_days_of_rust-c27e58db9703c483)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b828020dac9ad4ded74fcca5001a1e36c0daa03730ef902a3fc83d378870a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b828020dac9ad4ded74fcca5001a1e36c0daa03730ef902a3fc83d378870a83", kill_on_drop: false }`
[INFO] [stdout] 4b828020dac9ad4ded74fcca5001a1e36c0daa03730ef902a3fc83d378870a83
[INFO] testing anand-prem/twenty-one-days-of-rust against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anand-prem/twenty-one-days-of-rust on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anand-prem/twenty-one-days-of-rust
[INFO] finished tweaking git repo https://github.com/anand-prem/twenty-one-days-of-rust
[INFO] tweaked toml for git repo https://github.com/anand-prem/twenty-one-days-of-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anand-prem/twenty-one-days-of-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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d104b26a2b0005025742cc7d8b2c16d6c61b8a6a0adb32c8eb5552e511307a
[INFO] running `Command { std: "docker" "start" "-a" "63d104b26a2b0005025742cc7d8b2c16d6c61b8a6a0adb32c8eb5552e511307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d104b26a2b0005025742cc7d8b2c16d6c61b8a6a0adb32c8eb5552e511307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d104b26a2b0005025742cc7d8b2c16d6c61b8a6a0adb32c8eb5552e511307a", kill_on_drop: false }`
[INFO] [stdout] 63d104b26a2b0005025742cc7d8b2c16d6c61b8a6a0adb32c8eb5552e511307a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95d0b5431ace0959fc4b9811326fb283e40cc105717a78d34b9dbff0f63f6270
[INFO] running `Command { std: "docker" "start" "-a" "95d0b5431ace0959fc4b9811326fb283e40cc105717a78d34b9dbff0f63f6270", kill_on_drop: false }`
[INFO] [stderr]    Compiling twenty-one-days-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/day_1.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |   struct Person<'a> {
[INFO] [stdout]    |          ------ fields in this struct
[INFO] [stdout] 31 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     age: u8
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number_match` is never used
[INFO] [stdout]   --> src/half_hour.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn print_number_match(n: Number) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "95d0b5431ace0959fc4b9811326fb283e40cc105717a78d34b9dbff0f63f6270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d0b5431ace0959fc4b9811326fb283e40cc105717a78d34b9dbff0f63f6270", kill_on_drop: false }`
[INFO] [stdout] 95d0b5431ace0959fc4b9811326fb283e40cc105717a78d34b9dbff0f63f6270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13310031f60988c187e9c328673df6112daa6d04ee4acaddfea7029a5db675f
[INFO] running `Command { std: "docker" "start" "-a" "f13310031f60988c187e9c328673df6112daa6d04ee4acaddfea7029a5db675f", kill_on_drop: false }`
[INFO] [stderr]    Compiling twenty-one-days-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/day_1.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |   struct Person<'a> {
[INFO] [stdout]    |          ------ fields in this struct
[INFO] [stdout] 31 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     age: u8
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number_match` is never used
[INFO] [stdout]   --> src/half_hour.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn print_number_match(n: Number) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcBh3Y2k/symbols.o" "/opt/rustwide/target/debug/deps/twenty_one_days_of_rust-c27e58db9703c483.twenty_one_days_of_rust.c1b2d1261c9d3eea-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/twenty_one_days_of_rust-c27e58db9703c483.d9geow0t3rswoqz4o4lfxh5f1.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-b549f03e4f6ed709.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-7e028745ce963204.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-71aefaaf9e1f49e3.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-49f45d0bd99df635.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6701759d8343e913.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9ff13545d1688b3c.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-314a4689716cb02e.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d9ed943652059c0d.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-c3e1f40644ffc9b8.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-7b90a2705bcf265b.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/61a9ac64344e91d62f5496627ff363d177f9daab/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/twenty_one_days_of_rust-c27e58db9703c483" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twenty-one-days-of-rust` (bin "twenty-one-days-of-rust" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f13310031f60988c187e9c328673df6112daa6d04ee4acaddfea7029a5db675f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13310031f60988c187e9c328673df6112daa6d04ee4acaddfea7029a5db675f", kill_on_drop: false }`
[INFO] [stdout] f13310031f60988c187e9c328673df6112daa6d04ee4acaddfea7029a5db675f