[INFO] fetching crate mgrep 0.1.0... [INFO] testing mgrep-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate mgrep 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate mgrep 0.1.0 [INFO] finished tweaking crates.io crate mgrep 0.1.0 [INFO] tweaked toml for crates.io crate mgrep 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mgrep 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mgrep 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5d97d7dc641aed316dd71955c0fae2cd52dfe1660f7bf9792744d25b30a2b1a [INFO] running `Command { std: "docker" "start" "-a" "b5d97d7dc641aed316dd71955c0fae2cd52dfe1660f7bf9792744d25b30a2b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5d97d7dc641aed316dd71955c0fae2cd52dfe1660f7bf9792744d25b30a2b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5d97d7dc641aed316dd71955c0fae2cd52dfe1660f7bf9792744d25b30a2b1a", kill_on_drop: false }` [INFO] [stdout] b5d97d7dc641aed316dd71955c0fae2cd52dfe1660f7bf9792744d25b30a2b1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fb75b41d6a5a5a25a3073f40bcc6fdff086c75a3c961ecb32d080e584e8964a3 [INFO] running `Command { std: "docker" "start" "-a" "fb75b41d6a5a5a25a3073f40bcc6fdff086c75a3c961ecb32d080e584e8964a3", kill_on_drop: false }` [INFO] [stderr] Compiling mgrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/main.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 55 | / impl Cacher [INFO] [stdout] 56 | | where [INFO] [stdout] 57 | | T: Fn(&P) -> R, [INFO] [stdout] 58 | | P: std::cmp::Eq + std::hash::Hash, [INFO] [stdout] | |______________________________________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn value(&mut self, arg: P) -> &R { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Shoe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_my_size` is never used [INFO] [stdout] --> src/main.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn shoes_in_my_size( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 96 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 97 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "fb75b41d6a5a5a25a3073f40bcc6fdff086c75a3c961ecb32d080e584e8964a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb75b41d6a5a5a25a3073f40bcc6fdff086c75a3c961ecb32d080e584e8964a3", kill_on_drop: false }` [INFO] [stdout] fb75b41d6a5a5a25a3073f40bcc6fdff086c75a3c961ecb32d080e584e8964a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] a0175d254c28ffe702180d5c89ccfe1ae8e454b4b4dc54bb72aa36c311cabe33 [INFO] running `Command { std: "docker" "start" "-a" "a0175d254c28ffe702180d5c89ccfe1ae8e454b4b4dc54bb72aa36c311cabe33", kill_on_drop: false }` [INFO] [stderr] Compiling mgrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "a0175d254c28ffe702180d5c89ccfe1ae8e454b4b4dc54bb72aa36c311cabe33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0175d254c28ffe702180d5c89ccfe1ae8e454b4b4dc54bb72aa36c311cabe33", kill_on_drop: false }` [INFO] [stdout] a0175d254c28ffe702180d5c89ccfe1ae8e454b4b4dc54bb72aa36c311cabe33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 6ea0f2a4365287706dfd308354cffb43dbad4fb9c2662b29ebaf21b14b1a381a [INFO] running `Command { std: "docker" "start" "-a" "6ea0f2a4365287706dfd308354cffb43dbad4fb9c2662b29ebaf21b14b1a381a", kill_on_drop: false }` [INFO] [stderr] warning: function `generate_workout` is never used [INFO] [stderr] --> src/main.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mgrep` (bin "mgrep" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mgrep-79236b95620fe19b) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::case_insensitive ... ok [INFO] [stdout] test tests::case_sensitive ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mgrep-4d531e79924500a2) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::call_with_different_values ... ok [INFO] [stdout] test tests::calling_next_directly ... ok [INFO] [stdout] test tests::filters_by_size ... ok [INFO] [stdout] test tests::iterator_sum ... ok [INFO] [stdout] test tests::using_other_iterator_trait_methods ... ok [INFO] [stdout] test tests::value_can_differ_return_type_from_parameter_type ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6ea0f2a4365287706dfd308354cffb43dbad4fb9c2662b29ebaf21b14b1a381a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ea0f2a4365287706dfd308354cffb43dbad4fb9c2662b29ebaf21b14b1a381a", kill_on_drop: false }` [INFO] [stdout] 6ea0f2a4365287706dfd308354cffb43dbad4fb9c2662b29ebaf21b14b1a381a