[INFO] cloning repository https://github.com/adamAndMath/RandomLoot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamAndMath/RandomLoot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68cb34a6d5af08781298f666a133cdc4020da0ae
[INFO] checking adamAndMath/RandomLoot against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adamAndMath/RandomLoot
[INFO] finished tweaking git repo https://github.com/adamAndMath/RandomLoot
[INFO] tweaked toml for git repo https://github.com/adamAndMath/RandomLoot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adamAndMath/RandomLoot on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adamAndMath/RandomLoot 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking adamAndMath/RandomLoot against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adamAndMath/RandomLoot
[INFO] finished tweaking git repo https://github.com/adamAndMath/RandomLoot
[INFO] tweaked toml for git repo https://github.com/adamAndMath/RandomLoot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adamAndMath/RandomLoot on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adamAndMath/RandomLoot 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.1.0
[INFO] [stderr]   Downloaded rand_xorshift v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded rand_pcg v0.1.1
[INFO] [stderr]   Downloaded rand v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 659987f2e503ad762695096d1711790fa43389411615ad5dab91317969cdd324
[INFO] running `Command { std: "docker" "start" "-a" "659987f2e503ad762695096d1711790fa43389411615ad5dab91317969cdd324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659987f2e503ad762695096d1711790fa43389411615ad5dab91317969cdd324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659987f2e503ad762695096d1711790fa43389411615ad5dab91317969cdd324", kill_on_drop: false }`
[INFO] [stdout] 659987f2e503ad762695096d1711790fa43389411615ad5dab91317969cdd324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc38a5006c825179260b3eb9f09c0a36db2a93c0c24721098049541a6c04822
[INFO] running `Command { std: "docker" "start" "-a" "8bc38a5006c825179260b3eb9f09c0a36db2a93c0c24721098049541a6c04822", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking random_loot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/group/err.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 |             GroupErr::WeightError(e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/group/err.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 |             GroupErr::WeightError(e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut std::str::SplitN<'_, char>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/ty.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         letn!(type_decl, args = s.splitn(2, '['));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout]  7 -         drop(iter);
[INFO] [stdout]  7 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut std::str::SplitN<'_, char>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/ty.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 letn!(args, rest = args.trim().splitn(2, ']'));
[INFO] [stdout]    |                 ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout]  7 -         drop(iter);
[INFO] [stdout]  7 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut Map<std::str::SplitN<'_, &str>, {closure@src/format/unit.rs:69:111: 69:114}>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/unit.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     letn!(name?(UnitError::MissingName), size?(UnitError::MissingName) = s.splitn(2, "=").map(|s|s.trim()));
[INFO] [stdout]    |                     ------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 14 -         drop(iter);
[INFO] [stdout] 14 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut Map<std::str::SplitN<'_, &str>, {closure@src/format/var.rs:39:95: 39:98}>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/var.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         letn!(name?(VarError::MissingName), ty?(VarError::MissingType) = s.splitn(2, ":").map(|s|s.trim()));
[INFO] [stdout]    |         --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 14 -         drop(iter);
[INFO] [stdout] 14 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/group/group.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn generate_formated(&self, amount: usize) -> FormatedItemIter<impl Iterator<Item = (&Item, usize)>> {
[INFO] [stdout]    |                              ^^^^^                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                              |                        |                                      |
[INFO] [stdout]    |                              |                        |                                      the same lifetime is elided here
[INFO] [stdout]    |                              |                        the same lifetime is hidden here
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn generate_formated(&self, amount: usize) -> FormatedItemIter<'_, impl Iterator<Item = (&Item, usize)>> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut std::str::SplitN<'_, char>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/ty.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         letn!(type_decl, args = s.splitn(2, '['));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout]  7 -         drop(iter);
[INFO] [stdout]  7 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut std::str::SplitN<'_, char>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/ty.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 letn!(args, rest = args.trim().splitn(2, ']'));
[INFO] [stdout]    |                 ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout]  7 -         drop(iter);
[INFO] [stdout]  7 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut Map<std::str::SplitN<'_, &str>, {closure@src/format/unit.rs:69:111: 69:114}>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/unit.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     letn!(name?(UnitError::MissingName), size?(UnitError::MissingName) = s.splitn(2, "=").map(|s|s.trim()));
[INFO] [stdout]    |                     ------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 14 -         drop(iter);
[INFO] [stdout] 14 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/format/letn_macro.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         drop(iter);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut Map<std::str::SplitN<'_, &str>, {closure@src/format/var.rs:39:95: 39:98}>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/format/var.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         letn!(name?(VarError::MissingName), ty?(VarError::MissingType) = s.splitn(2, ":").map(|s|s.trim()));
[INFO] [stdout]    |         --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 14 -         drop(iter);
[INFO] [stdout] 14 +         let _ = iter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/group/group.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn generate_formated(&self, amount: usize) -> FormatedItemIter<impl Iterator<Item = (&Item, usize)>> {
[INFO] [stdout]    |                              ^^^^^                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                              |                        |                                      |
[INFO] [stdout]    |                              |                        |                                      the same lifetime is elided here
[INFO] [stdout]    |                              |                        the same lifetime is hidden here
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn generate_formated(&self, amount: usize) -> FormatedItemIter<'_, impl Iterator<Item = (&Item, usize)>> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "8bc38a5006c825179260b3eb9f09c0a36db2a93c0c24721098049541a6c04822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc38a5006c825179260b3eb9f09c0a36db2a93c0c24721098049541a6c04822", kill_on_drop: false }`
[INFO] [stdout] 8bc38a5006c825179260b3eb9f09c0a36db2a93c0c24721098049541a6c04822
