[INFO] fetching crate crng 0.1.0...
[INFO] testing crng-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate crng 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate crng 0.1.0
[INFO] finished tweaking crates.io crate crng 0.1.0
[INFO] tweaked toml for crates.io crate crng 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crng 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crng 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" "+1.90.0" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6d73b285dd6d550c3320cb82fdf6369143b95b4f4e495e5d7aca3cd7450233b
[INFO] running `Command { std: "docker" "start" "-a" "e6d73b285dd6d550c3320cb82fdf6369143b95b4f4e495e5d7aca3cd7450233b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d73b285dd6d550c3320cb82fdf6369143b95b4f4e495e5d7aca3cd7450233b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d73b285dd6d550c3320cb82fdf6369143b95b4f4e495e5d7aca3cd7450233b", kill_on_drop: false }`
[INFO] [stdout] e6d73b285dd6d550c3320cb82fdf6369143b95b4f4e495e5d7aca3cd7450233b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c1fdfe9da6a1a7bd7ca02bcabc39ebe326db98db9d173d8c301e5f38cccd6f5
[INFO] running `Command { std: "docker" "start" "-a" "3c1fdfe9da6a1a7bd7ca02bcabc39ebe326db98db9d173d8c301e5f38cccd6f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `rnd_between_64` and `get` are never used
[INFO] [stdout]   --> src/core.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Rnd {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn rnd_between_64(&mut self, lower: f64, upper: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn get(&mut self) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3c1fdfe9da6a1a7bd7ca02bcabc39ebe326db98db9d173d8c301e5f38cccd6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1fdfe9da6a1a7bd7ca02bcabc39ebe326db98db9d173d8c301e5f38cccd6f5", kill_on_drop: false }`
[INFO] [stdout] 3c1fdfe9da6a1a7bd7ca02bcabc39ebe326db98db9d173d8c301e5f38cccd6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172de40fb6497805acb40fffbd21ddf4de2100c9046353931453f85fee2a7fe6
[INFO] running `Command { std: "docker" "start" "-a" "172de40fb6497805acb40fffbd21ddf4de2100c9046353931453f85fee2a7fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `rnd_between_64` and `get` are never used
[INFO] [stdout]   --> src/core.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Rnd {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn rnd_between_64(&mut self, lower: f64, upper: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn get(&mut self) -> f64 {
[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 0.49s
[INFO] running `Command { std: "docker" "inspect" "172de40fb6497805acb40fffbd21ddf4de2100c9046353931453f85fee2a7fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172de40fb6497805acb40fffbd21ddf4de2100c9046353931453f85fee2a7fe6", kill_on_drop: false }`
[INFO] [stdout] 172de40fb6497805acb40fffbd21ddf4de2100c9046353931453f85fee2a7fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c4878214c2fb369e81e74d7a132e2f0ad6ad1abf9672bfcd9a8173e9c04fda6
[INFO] running `Command { std: "docker" "start" "-a" "8c4878214c2fb369e81e74d7a132e2f0ad6ad1abf9672bfcd9a8173e9c04fda6", kill_on_drop: false }`
[INFO] [stderr] warning: methods `rnd_between_64` and `get` are never used
[INFO] [stderr]   --> src/core.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Rnd {
[INFO] [stderr]    | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn rnd_between_64(&mut self, lower: f64, upper: f64) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 82 |     pub fn get(&mut self) -> f64 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crng` (bin "crng" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crng-580a8cba820be831)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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/debug/deps/crng-f4bb19df8e60e06b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crng
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/core.rs - core::Rnd::rnd_between (line 48) ... FAILED
[INFO] [stdout] test src/core.rs - core::Rnd (line 10) ... FAILED
[INFO] [stdout] test src/core.rs - core::Rnd::rnd_between_64 (line 63) ... FAILED
[INFO] [stdout] test src/core.rs - core::Rnd::get (line 78) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/core.rs - core::Rnd::rnd_between (line 48) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rng`
[INFO] [stdout]  --> src/core.rs:49:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rng::core::Rnd;
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `rng`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crng::core::Rnd;
[INFO] [stdout]   |     +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/core.rs - core::Rnd (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rng`
[INFO] [stdout]  --> src/core.rs:11:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rng::core::Rnd;
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `rng`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crng::core::Rnd;
[INFO] [stdout]   |     +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/core.rs - core::Rnd::rnd_between_64 (line 63) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rng`
[INFO] [stdout]  --> src/core.rs:64:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rng::core::Rnd;
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `rng`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crng::core::Rnd;
[INFO] [stdout]   |     +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/core.rs - core::Rnd (line 10)
[INFO] [stdout]     src/core.rs - core::Rnd::rnd_between (line 48)
[INFO] [stdout]     src/core.rs - core::Rnd::rnd_between_64 (line 63)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8c4878214c2fb369e81e74d7a132e2f0ad6ad1abf9672bfcd9a8173e9c04fda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4878214c2fb369e81e74d7a132e2f0ad6ad1abf9672bfcd9a8173e9c04fda6", kill_on_drop: false }`
[INFO] [stdout] 8c4878214c2fb369e81e74d7a132e2f0ad6ad1abf9672bfcd9a8173e9c04fda6