[INFO] fetching crate stream_histogram 0.1.1... [INFO] testing stream_histogram-0.1.1 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate stream_histogram 0.1.1 into /workspace/builds/worker-71/source [INFO] validating manifest of crates.io crate stream_histogram 0.1.1 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stream_histogram 0.1.1 [INFO] finished tweaking crates.io crate stream_histogram 0.1.1 [INFO] tweaked toml for crates.io crate stream_histogram 0.1.1 written to /workspace/builds/worker-71/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded linked-list v0.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57e51cf06cf3296d7c110484350c03a48feeddda5353b6c8b6ea5aed5d56a4fa [INFO] running `Command { std: "docker" "start" "-a" "57e51cf06cf3296d7c110484350c03a48feeddda5353b6c8b6ea5aed5d56a4fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57e51cf06cf3296d7c110484350c03a48feeddda5353b6c8b6ea5aed5d56a4fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57e51cf06cf3296d7c110484350c03a48feeddda5353b6c8b6ea5aed5d56a4fa", kill_on_drop: false }` [INFO] [stdout] 57e51cf06cf3296d7c110484350c03a48feeddda5353b6c8b6ea5aed5d56a4fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94d9c51f9bf7d9a9cafde348d36ff1f4503402b5d47eda83563377595c6e46d0 [INFO] running `Command { std: "docker" "start" "-a" "94d9c51f9bf7d9a9cafde348d36ff1f4503402b5d47eda83563377595c6e46d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling linked-list v0.0.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling stream_histogram v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.62s [INFO] running `Command { std: "docker" "inspect" "94d9c51f9bf7d9a9cafde348d36ff1f4503402b5d47eda83563377595c6e46d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d9c51f9bf7d9a9cafde348d36ff1f4503402b5d47eda83563377595c6e46d0", kill_on_drop: false }` [INFO] [stdout] 94d9c51f9bf7d9a9cafde348d36ff1f4503402b5d47eda83563377595c6e46d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d2009aa1763cae1ff19cabc6d2bdeb17cbbf2d22fa34c92b2d1bb6f716ffd47 [INFO] running `Command { std: "docker" "start" "-a" "3d2009aa1763cae1ff19cabc6d2bdeb17cbbf2d22fa34c92b2d1bb6f716ffd47", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling stream_histogram v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Distribution`, `Normal` [INFO] [stdout] --> src/lib.rs:296:31 [INFO] [stdout] | [INFO] [stdout] 296 | use rand::distributions::{Distribution, Normal}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:293:1 [INFO] [stdout] | [INFO] [stdout] 293 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.91s [INFO] running `Command { std: "docker" "inspect" "3d2009aa1763cae1ff19cabc6d2bdeb17cbbf2d22fa34c92b2d1bb6f716ffd47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d2009aa1763cae1ff19cabc6d2bdeb17cbbf2d22fa34c92b2d1bb6f716ffd47", kill_on_drop: false }` [INFO] [stdout] 3d2009aa1763cae1ff19cabc6d2bdeb17cbbf2d22fa34c92b2d1bb6f716ffd47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a0160960da5759a59d92ab24081af51f13105ef815cadbbf65abd8b4357df7dc [INFO] running `Command { std: "docker" "start" "-a" "a0160960da5759a59d92ab24081af51f13105ef815cadbbf65abd8b4357df7dc", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:296:31 [INFO] [stderr] | [INFO] [stderr] 296 | use rand::distributions::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/lib.rs:293:1 [INFO] [stderr] | [INFO] [stderr] 293 | mod tests { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `stream_histogram` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stream_histogram-c6fa04ad5c947a3f) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_print ... ok [INFO] [stdout] test tests::test_histogram ... ok [INFO] [stderr] Doc-tests stream_histogram [INFO] [stdout] test tests::test_report ... ok [INFO] [stdout] test tests::test_statistics_function ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - Histogram::add (line 61) ... FAILED [INFO] [stdout] test src/lib.rs - Histogram::new (line 34) ... FAILED [INFO] [stdout] test src/lib.rs - Histogram::to_string (line 225) ... FAILED [INFO] [stdout] test src/lib.rs - Histogram::report (line 251) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Histogram::add (line 61) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `crate::histogram` [INFO] [stdout] --> src/lib.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::histogram::Histogram; [INFO] [stdout] | ^^^^^^^^^ could not find `histogram` in the crate root [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Histogram::new (line 34) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `crate::histogram` [INFO] [stdout] --> src/lib.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::histogram::Histogram; [INFO] [stdout] | ^^^^^^^^^ could not find `histogram` in the crate root [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Histogram::to_string (line 225) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `crate::histogram` [INFO] [stdout] --> src/lib.rs:227:13 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::histogram::Histogram; [INFO] [stdout] | ^^^^^^^^^ could not find `histogram` in the crate root [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Histogram::report (line 251) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `crate::histogram` [INFO] [stdout] --> src/lib.rs:252:12 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::histogram::Histogram; [INFO] [stdout] | ^^^^^^^^^ could not find `histogram` in the crate root [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - Histogram::add (line 61) [INFO] [stdout] src/lib.rs - Histogram::new (line 34) [INFO] [stdout] src/lib.rs - Histogram::report (line 251) [INFO] [stdout] src/lib.rs - Histogram::to_string (line 225) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "a0160960da5759a59d92ab24081af51f13105ef815cadbbf65abd8b4357df7dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0160960da5759a59d92ab24081af51f13105ef815cadbbf65abd8b4357df7dc", kill_on_drop: false }` [INFO] [stdout] a0160960da5759a59d92ab24081af51f13105ef815cadbbf65abd8b4357df7dc