[INFO] cloning repository https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaikatdas0790%2F6.0001-introduction-to-computer-science-and-programming-in-python", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaikatdas0790%2F6.0001-introduction-to-computer-science-and-programming-in-python'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a3a18e0d0c28fc15092627d38399404fb2cac1d0 [INFO] building saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaikatdas0790%2F6.0001-introduction-to-computer-science-and-programming-in-python" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python [INFO] finished tweaking git repo https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python [INFO] tweaked toml for git repo https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 497dcbec21b8be1655e42ac044cdf2ba65ec774d67a366cd9d521aa9dfc9caa0 [INFO] running `Command { std: "docker" "start" "-a" "497dcbec21b8be1655e42ac044cdf2ba65ec774d67a366cd9d521aa9dfc9caa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "497dcbec21b8be1655e42ac044cdf2ba65ec774d67a366cd9d521aa9dfc9caa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "497dcbec21b8be1655e42ac044cdf2ba65ec774d67a366cd9d521aa9dfc9caa0", kill_on_drop: false }` [INFO] [stdout] 497dcbec21b8be1655e42ac044cdf2ba65ec774d67a366cd9d521aa9dfc9caa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99c677dc3424426ef964a338c787b4ca127e999d31ee92bfe25f12fa6b91a917 [INFO] running `Command { std: "docker" "start" "-a" "99c677dc3424426ef964a338c787b4ca127e999d31ee92bfe25f12fa6b91a917", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling problem_set_0 v0.1.0 (/opt/rustwide/workdir/problem_set_0) [INFO] [stderr] Compiling finding_the_right_amount_to_save_away v0.1.0 (/opt/rustwide/workdir/problem_set_1/finding_the_right_amount_to_save_away) [INFO] [stderr] Compiling permutation v0.1.0 (/opt/rustwide/workdir/problem_set_4/permutation) [INFO] [stderr] Compiling saving_with_a_raise v0.1.0 (/opt/rustwide/workdir/problem_set_1/saving_with_a_raise) [INFO] [stderr] Compiling house_hunting v0.1.0 (/opt/rustwide/workdir/problem_set_1/house_hunting) [INFO] [stderr] Compiling rss_feeder v0.1.0 (/opt/rustwide/workdir/problem_set_5/rss_feeder) [INFO] [stderr] Compiling word_game v0.1.0 (/opt/rustwide/workdir/problem_set_3/word_game) [INFO] [stderr] Compiling caesar_cipher v0.1.0 (/opt/rustwide/workdir/problem_set_4/caesar_cipher) [INFO] [stdout] warning: trait `PhraseTrigger` is never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait PhraseTrigger: Trigger { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PhraseTriggerImpl` is never constructed [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct PhraseTriggerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `is_phrase_in` are never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl PhraseTriggerImpl { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 13 | pub fn new(phrase: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn is_phrase_in(&self, text: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Trigger` is never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/trigger.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Trigger { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling substitution_cipher v0.1.0 (/opt/rustwide/workdir/problem_set_4/substitution_cipher) [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling hangman v0.1.0 (/opt/rustwide/workdir/problem_set_2/hangman) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s [INFO] running `Command { std: "docker" "inspect" "99c677dc3424426ef964a338c787b4ca127e999d31ee92bfe25f12fa6b91a917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99c677dc3424426ef964a338c787b4ca127e999d31ee92bfe25f12fa6b91a917", kill_on_drop: false }` [INFO] [stdout] 99c677dc3424426ef964a338c787b4ca127e999d31ee92bfe25f12fa6b91a917 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f19e53cbda57431e24e63c9adccdb9441171c789c88e2baae34621b38c9923e3 [INFO] running `Command { std: "docker" "start" "-a" "f19e53cbda57431e24e63c9adccdb9441171c789c88e2baae34621b38c9923e3", kill_on_drop: false }` [INFO] [stdout] warning: trait `PhraseTrigger` is never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait PhraseTrigger: Trigger { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling caesar_cipher v0.1.0 (/opt/rustwide/workdir/problem_set_4/caesar_cipher) [INFO] [stdout] warning: struct `PhraseTriggerImpl` is never constructed [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct PhraseTriggerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling permutation v0.1.0 (/opt/rustwide/workdir/problem_set_4/permutation) [INFO] [stdout] warning: associated items `new` and `is_phrase_in` are never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl PhraseTriggerImpl { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 13 | pub fn new(phrase: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn is_phrase_in(&self, text: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling house_hunting v0.1.0 (/opt/rustwide/workdir/problem_set_1/house_hunting) [INFO] [stdout] warning: trait `Trigger` is never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/trigger.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Trigger { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling problem_set_0 v0.1.0 (/opt/rustwide/workdir/problem_set_0) [INFO] [stderr] Compiling finding_the_right_amount_to_save_away v0.1.0 (/opt/rustwide/workdir/problem_set_1/finding_the_right_amount_to_save_away) [INFO] [stderr] Compiling substitution_cipher v0.1.0 (/opt/rustwide/workdir/problem_set_4/substitution_cipher) [INFO] [stderr] Compiling saving_with_a_raise v0.1.0 (/opt/rustwide/workdir/problem_set_1/saving_with_a_raise) [INFO] [stderr] Compiling rss_feeder v0.1.0 (/opt/rustwide/workdir/problem_set_5/rss_feeder) [INFO] [stderr] Compiling word_game v0.1.0 (/opt/rustwide/workdir/problem_set_3/word_game) [INFO] [stderr] Compiling hangman v0.1.0 (/opt/rustwide/workdir/problem_set_2/hangman) [INFO] [stdout] warning: trait `PhraseTrigger` is never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait PhraseTrigger: Trigger { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PhraseTriggerImpl` is never constructed [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct PhraseTriggerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `is_phrase_in` are never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/phrase_trigger.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl PhraseTriggerImpl { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 13 | pub fn new(phrase: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn is_phrase_in(&self, text: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Trigger` is never used [INFO] [stdout] --> problem_set_5/rss_feeder/src/trigger.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Trigger { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "f19e53cbda57431e24e63c9adccdb9441171c789c88e2baae34621b38c9923e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f19e53cbda57431e24e63c9adccdb9441171c789c88e2baae34621b38c9923e3", kill_on_drop: false }` [INFO] [stdout] f19e53cbda57431e24e63c9adccdb9441171c789c88e2baae34621b38c9923e3