[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] testing saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [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-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/saikatdas0790/6.0001-introduction-to-computer-science-and-programming-in-python on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95d838dfa5b219f88bf18e63aaab2026339934881f0df5afbfe428a91aaddda5 [INFO] running `Command { std: "docker" "start" "-a" "95d838dfa5b219f88bf18e63aaab2026339934881f0df5afbfe428a91aaddda5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95d838dfa5b219f88bf18e63aaab2026339934881f0df5afbfe428a91aaddda5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95d838dfa5b219f88bf18e63aaab2026339934881f0df5afbfe428a91aaddda5", kill_on_drop: false }` [INFO] [stdout] 95d838dfa5b219f88bf18e63aaab2026339934881f0df5afbfe428a91aaddda5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 32b4ee1a1fc5d54aa4ec2bd5d1a891ac98076d0f07b1a1996f888b4c6d740b71 [INFO] running `Command { std: "docker" "start" "-a" "32b4ee1a1fc5d54aa4ec2bd5d1a891ac98076d0f07b1a1996f888b4c6d740b71", 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 house_hunting v0.1.0 (/opt/rustwide/workdir/problem_set_1/house_hunting) [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 problem_set_0 v0.1.0 (/opt/rustwide/workdir/problem_set_0) [INFO] [stderr] Compiling saving_with_a_raise v0.1.0 (/opt/rustwide/workdir/problem_set_1/saving_with_a_raise) [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] [stderr] Compiling substitution_cipher v0.1.0 (/opt/rustwide/workdir/problem_set_4/substitution_cipher) [INFO] [stderr] Compiling rss_feeder v0.1.0 (/opt/rustwide/workdir/problem_set_5/rss_feeder) [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 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] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustc3vFaUX/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libhangman-5c162769faabcb94.rlib,librand-90007fa6b4d73dbd.rlib,librand_chacha-59f18092221d7672.rlib,libppv_lite86-742ade976f63ace4.rlib,librand_core-17d91ae8e4dc99de.rlib,libgetrandom-07139445db52bae8.rlib,liblibc-dd2af4e12e74a148.rlib,libcfg_if-66d55f6b302e88c8.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustc3vFaUX/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hangman-04d30eeb897d0c4a" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/libgetrandom-07139445db52bae8.rlib(getrandom-07139445db52bae8.getrandom.76eda4a23f3530b6-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.8/src/util_libc.rs:150:(.text._ZN9getrandom9util_libc13open_readonly17hc6cf25ad086ad872E+0xbc): undefined reference to `open64' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hangman` (bin "hangman") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "32b4ee1a1fc5d54aa4ec2bd5d1a891ac98076d0f07b1a1996f888b4c6d740b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32b4ee1a1fc5d54aa4ec2bd5d1a891ac98076d0f07b1a1996f888b4c6d740b71", kill_on_drop: false }` [INFO] [stdout] 32b4ee1a1fc5d54aa4ec2bd5d1a891ac98076d0f07b1a1996f888b4c6d740b71