[INFO] fetching crate over-engineered-fizzbuzz 0.1.1... [INFO] checking over-engineered-fizzbuzz-0.1.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate over-engineered-fizzbuzz 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate over-engineered-fizzbuzz 0.1.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] finished tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] tweaked toml for crates.io crate over-engineered-fizzbuzz 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate over-engineered-fizzbuzz 0.1.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 122e14376c99445c4a4cea8f1522566b394cdbd0a1d6b62ba98af70fac48772e [INFO] running `Command { std: "docker" "start" "-a" "122e14376c99445c4a4cea8f1522566b394cdbd0a1d6b62ba98af70fac48772e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "122e14376c99445c4a4cea8f1522566b394cdbd0a1d6b62ba98af70fac48772e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "122e14376c99445c4a4cea8f1522566b394cdbd0a1d6b62ba98af70fac48772e", kill_on_drop: false }` [INFO] [stdout] 122e14376c99445c4a4cea8f1522566b394cdbd0a1d6b62ba98af70fac48772e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8ba1ed102396dcf28b13f2a55d1183452687c72b150e7ad7e33c23f546fde9f [INFO] running `Command { std: "docker" "start" "-a" "a8ba1ed102396dcf28b13f2a55d1183452687c72b150e7ad7e33c23f546fde9f", kill_on_drop: false }` [INFO] [stderr] Checking over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "a8ba1ed102396dcf28b13f2a55d1183452687c72b150e7ad7e33c23f546fde9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8ba1ed102396dcf28b13f2a55d1183452687c72b150e7ad7e33c23f546fde9f", kill_on_drop: false }` [INFO] [stdout] a8ba1ed102396dcf28b13f2a55d1183452687c72b150e7ad7e33c23f546fde9f [INFO] checking over-engineered-fizzbuzz-0.1.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate over-engineered-fizzbuzz 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate over-engineered-fizzbuzz 0.1.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] finished tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] tweaked toml for crates.io crate over-engineered-fizzbuzz 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate over-engineered-fizzbuzz 0.1.1 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e711a0e68950fd90e4d6a22e16df90594de5d635e02eca9ffaf55686a841cda [INFO] running `Command { std: "docker" "start" "-a" "8e711a0e68950fd90e4d6a22e16df90594de5d635e02eca9ffaf55686a841cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e711a0e68950fd90e4d6a22e16df90594de5d635e02eca9ffaf55686a841cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e711a0e68950fd90e4d6a22e16df90594de5d635e02eca9ffaf55686a841cda", kill_on_drop: false }` [INFO] [stdout] 8e711a0e68950fd90e4d6a22e16df90594de5d635e02eca9ffaf55686a841cda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf9b0d304b622d75a0c39857176cacb856561589905004815da29dd6974b4a17 [INFO] running `Command { std: "docker" "start" "-a" "cf9b0d304b622d75a0c39857176cacb856561589905004815da29dd6974b4a17", kill_on_drop: false }` [INFO] [stderr] Checking over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "cf9b0d304b622d75a0c39857176cacb856561589905004815da29dd6974b4a17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf9b0d304b622d75a0c39857176cacb856561589905004815da29dd6974b4a17", kill_on_drop: false }` [INFO] [stdout] cf9b0d304b622d75a0c39857176cacb856561589905004815da29dd6974b4a17