[INFO] fetching crate stream_histogram 0.1.1...
[INFO] testing stream_histogram-0.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate stream_histogram 0.1.1 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stream_histogram 0.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding linked-list v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69beab3a8dd6f970f81d5a384d477a416ad235d74d1311835801c65e7a8011be
[INFO] running `Command { std: "docker" "start" "-a" "69beab3a8dd6f970f81d5a384d477a416ad235d74d1311835801c65e7a8011be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69beab3a8dd6f970f81d5a384d477a416ad235d74d1311835801c65e7a8011be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69beab3a8dd6f970f81d5a384d477a416ad235d74d1311835801c65e7a8011be", kill_on_drop: false }`
[INFO] [stdout] 69beab3a8dd6f970f81d5a384d477a416ad235d74d1311835801c65e7a8011be
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00917acc883ad113fc2c5eda17427f3ef29f56e8a1555fb259dd7e4c460fe462
[INFO] running `Command { std: "docker" "start" "-a" "00917acc883ad113fc2c5eda17427f3ef29f56e8a1555fb259dd7e4c460fe462", kill_on_drop: false }`
[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` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "00917acc883ad113fc2c5eda17427f3ef29f56e8a1555fb259dd7e4c460fe462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00917acc883ad113fc2c5eda17427f3ef29f56e8a1555fb259dd7e4c460fe462", kill_on_drop: false }`
[INFO] [stdout] 00917acc883ad113fc2c5eda17427f3ef29f56e8a1555fb259dd7e4c460fe462
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d59907bad57821bc87859932b73c700313434d09d1b74bdcea1adb11b0dfbdb
[INFO] running `Command { std: "docker" "start" "-a" "7d59907bad57821bc87859932b73c700313434d09d1b74bdcea1adb11b0dfbdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stream_histogram v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Distribution` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "7d59907bad57821bc87859932b73c700313434d09d1b74bdcea1adb11b0dfbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d59907bad57821bc87859932b73c700313434d09d1b74bdcea1adb11b0dfbdb", kill_on_drop: false }`
[INFO] [stdout] 7d59907bad57821bc87859932b73c700313434d09d1b74bdcea1adb11b0dfbdb
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea958d3ccaee903c07b30db582b099f38a7293867921eecc4245134b4ca4bd21
[INFO] running `Command { std: "docker" "start" "-a" "ea958d3ccaee903c07b30db582b099f38a7293867921eecc4245134b4ca4bd21", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Distribution` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stream_histogram` (lib test) generated 1 warning (run `cargo fix --lib -p stream_histogram --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stream_histogram-63b772960952a197)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_histogram ... ok
[INFO] [stdout] test tests::test_print ... ok
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream_histogram
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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] test src/lib.rs - Histogram::new (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - Histogram::add (line 61) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 227 |  use crate::histogram::Histogram;
[INFO] [stdout]     |             ^^^^^^^^^ could not find `histogram` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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] 252 | use crate::histogram::Histogram;
[INFO] [stdout]     |            ^^^^^^^^^ could not find `histogram` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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] 35 | use crate::histogram::Histogram;
[INFO] [stdout]    |            ^^^^^^^^^ could not find `histogram` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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::add (line 61) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `crate::histogram`
[INFO] [stdout]   --> src/lib.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | use crate::histogram::Histogram;
[INFO] [stdout]    |            ^^^^^^^^^ could not find `histogram` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ea958d3ccaee903c07b30db582b099f38a7293867921eecc4245134b4ca4bd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea958d3ccaee903c07b30db582b099f38a7293867921eecc4245134b4ca4bd21", kill_on_drop: false }`
[INFO] [stdout] ea958d3ccaee903c07b30db582b099f38a7293867921eecc4245134b4ca4bd21
