[INFO] cloning repository https://github.com/mrozycki/rust-fst [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrozycki/rust-fst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrozycki%2Frust-fst", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrozycki%2Frust-fst'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 27812d506fc0f4a45943596faebdaaccd58e372c [INFO] testing mrozycki/rust-fst against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrozycki%2Frust-fst" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mrozycki/rust-fst on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mrozycki/rust-fst [INFO] finished tweaking git repo https://github.com/mrozycki/rust-fst [INFO] tweaked toml for git repo https://github.com/mrozycki/rust-fst written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/mrozycki/rust-fst already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c09b44cff510060f754554ab585381c012c56c78e4add63f51f73be43a77b277 [INFO] running `Command { std: "docker" "start" "-a" "c09b44cff510060f754554ab585381c012c56c78e4add63f51f73be43a77b277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c09b44cff510060f754554ab585381c012c56c78e4add63f51f73be43a77b277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c09b44cff510060f754554ab585381c012c56c78e4add63f51f73be43a77b277", kill_on_drop: false }` [INFO] [stdout] c09b44cff510060f754554ab585381c012c56c78e4add63f51f73be43a77b277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf1fea5e0602c95dad724331aed7fb2077fbe31f44a970d1f648118100cb90cc [INFO] running `Command { std: "docker" "start" "-a" "bf1fea5e0602c95dad724331aed7fb2077fbe31f44a970d1f648118100cb90cc", kill_on_drop: false }` [INFO] [stderr] Compiling rust-fst v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/fst.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `string` [INFO] [stdout] --> src/fst.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn string(s: &str) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `and` [INFO] [stdout] --> src/fst.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn and(m1: Self, m2: Self) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `and_optionally` [INFO] [stdout] --> src/fst.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn and_optionally(m1: Self, m2: Self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `repeated` [INFO] [stdout] --> src/fst.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn repeated(mut m: Self) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fst.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | writeln!(f, "{} {}", self.state_count, self.transitions.len()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fst.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | writeln!(f, "{}\t{}\t{}\t{}", t.from, t.to, t.on.unwrap_or('`'), t.with.unwrap_or_default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fst.rs:223:13 [INFO] [stdout] | [INFO] [stdout] 223 | write!(f, "{} ", state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "bf1fea5e0602c95dad724331aed7fb2077fbe31f44a970d1f648118100cb90cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf1fea5e0602c95dad724331aed7fb2077fbe31f44a970d1f648118100cb90cc", kill_on_drop: false }` [INFO] [stdout] bf1fea5e0602c95dad724331aed7fb2077fbe31f44a970d1f648118100cb90cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e27a69663c7df5b3f97f788b14ce4777a584dcefa5c23b52f6c0c8dd5f4ca9f9 [INFO] running `Command { std: "docker" "start" "-a" "e27a69663c7df5b3f97f788b14ce4777a584dcefa5c23b52f6c0c8dd5f4ca9f9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-fst v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/fst.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `string` [INFO] [stdout] --> src/fst.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn string(s: &str) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `and` [INFO] [stdout] --> src/fst.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn and(m1: Self, m2: Self) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `and_optionally` [INFO] [stdout] --> src/fst.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn and_optionally(m1: Self, m2: Self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `repeated` [INFO] [stdout] --> src/fst.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn repeated(mut m: Self) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fst.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | writeln!(f, "{} {}", self.state_count, self.transitions.len()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fst.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | writeln!(f, "{}\t{}\t{}\t{}", t.from, t.to, t.on.unwrap_or('`'), t.with.unwrap_or_default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fst.rs:223:13 [INFO] [stdout] | [INFO] [stdout] 223 | write!(f, "{} ", state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "e27a69663c7df5b3f97f788b14ce4777a584dcefa5c23b52f6c0c8dd5f4ca9f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e27a69663c7df5b3f97f788b14ce4777a584dcefa5c23b52f6c0c8dd5f4ca9f9", kill_on_drop: false }` [INFO] [stdout] e27a69663c7df5b3f97f788b14ce4777a584dcefa5c23b52f6c0c8dd5f4ca9f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a5044d6d70fcc2cd1e484598039bbd2e45a2e0255bf2d4504a69ba10b41bdf09 [INFO] running `Command { std: "docker" "start" "-a" "a5044d6d70fcc2cd1e484598039bbd2e45a2e0255bf2d4504a69ba10b41bdf09", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: associated function is never used: `empty` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/fst.rs:36:12 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 36 | pub fn empty() -> Self { [INFO] [stdout] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `string` [INFO] [stderr] --> src/fst.rs:60:12 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn string(s: &str) -> Self { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `and` [INFO] [stderr] --> src/fst.rs:83:12 [INFO] [stderr] | [INFO] [stderr] 83 | pub fn and(m1: Self, m2: Self) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `and_optionally` [INFO] [stderr] --> src/fst.rs:97:12 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn and_optionally(m1: Self, m2: Self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `repeated` [INFO] [stderr] --> src/fst.rs:159:12 [INFO] [stderr] | [INFO] [stderr] 159 | pub fn repeated(mut m: Self) -> Self { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/fst.rs:217:9 [INFO] [stderr] | [INFO] [stderr] 217 | writeln!(f, "{} {}", self.state_count, self.transitions.len()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/fst.rs:219:13 [INFO] [stderr] | [INFO] [stderr] 219 | writeln!(f, "{}\t{}\t{}\t{}", t.from, t.to, t.on.unwrap_or('`'), t.with.unwrap_or_default()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/fst.rs:223:13 [INFO] [stderr] | [INFO] [stderr] 223 | write!(f, "{} ", state); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rust-fst` (bin "rust-fst" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_fst-939fec8197935b7a) [INFO] running `Command { std: "docker" "inspect" "a5044d6d70fcc2cd1e484598039bbd2e45a2e0255bf2d4504a69ba10b41bdf09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5044d6d70fcc2cd1e484598039bbd2e45a2e0255bf2d4504a69ba10b41bdf09", kill_on_drop: false }` [INFO] [stdout] a5044d6d70fcc2cd1e484598039bbd2e45a2e0255bf2d4504a69ba10b41bdf09