[INFO] fetching crate minnow 0.1.0...
[INFO] testing minnow-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate minnow 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate minnow 0.1.0
[INFO] finished tweaking crates.io crate minnow 0.1.0
[INFO] tweaked toml for crates.io crate minnow 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minnow 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minnow 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2dd2e75670c0d0bbab55bb6343a49a9def5368701ceff58c6c732fb17d28d22
[INFO] running `Command { std: "docker" "start" "-a" "c2dd2e75670c0d0bbab55bb6343a49a9def5368701ceff58c6c732fb17d28d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2dd2e75670c0d0bbab55bb6343a49a9def5368701ceff58c6c732fb17d28d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2dd2e75670c0d0bbab55bb6343a49a9def5368701ceff58c6c732fb17d28d22", kill_on_drop: false }`
[INFO] [stdout] c2dd2e75670c0d0bbab55bb6343a49a9def5368701ceff58c6c732fb17d28d22
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2c2f510ad0b3b94f52366204d87657b78632941421ea5bfbb4f39acc80ea41
[INFO] running `Command { std: "docker" "start" "-a" "ff2c2f510ad0b3b94f52366204d87657b78632941421ea5bfbb4f39acc80ea41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling bitstream-io v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling arithmetic-coding-core v0.3.0
[INFO] [stderr]    Compiling arithmetic-coding v0.3.0
[INFO] [stderr]    Compiling minnow-derive v0.1.0
[INFO] [stderr]    Compiling minnow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "ff2c2f510ad0b3b94f52366204d87657b78632941421ea5bfbb4f39acc80ea41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2c2f510ad0b3b94f52366204d87657b78632941421ea5bfbb4f39acc80ea41", kill_on_drop: false }`
[INFO] [stdout] ff2c2f510ad0b3b94f52366204d87657b78632941421ea5bfbb4f39acc80ea41
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3136150b32c126abcca3d2fa7874f9e34aced87a57d7c852f2defff81c84288
[INFO] running `Command { std: "docker" "start" "-a" "b3136150b32c126abcca3d2fa7874f9e34aced87a57d7c852f2defff81c84288", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case v2.0.2
[INFO] [stderr]    Compiling minnow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "b3136150b32c126abcca3d2fa7874f9e34aced87a57d7c852f2defff81c84288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3136150b32c126abcca3d2fa7874f9e34aced87a57d7c852f2defff81c84288", kill_on_drop: false }`
[INFO] [stdout] b3136150b32c126abcca3d2fa7874f9e34aced87a57d7c852f2defff81c84288
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 409692420cec893b739013f90458dd261764cf98b522422bdf05384536813609
[INFO] running `Command { std: "docker" "start" "-a" "409692420cec893b739013f90458dd261764cf98b522422bdf05384536813609", kill_on_drop: false }`
[INFO] [stderr] warning: trait `BoundedModel` is never used
[INFO] [stderr]  --> src/bounded_model.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait BoundedModel {
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Codec` is never used
[INFO] [stderr]   --> src/bounded_model.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub trait Codec<M>
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `minnow` (lib) generated 2 warnings
[INFO] [stderr] warning: `minnow` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minnow-cf7e93c93a80a6ea)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test float::tests::denominator ... ok
[INFO] [stdout] test float::tests::probability::_0_0_expects_0_1 ... ok
[INFO] [stdout] test float::tests::probability::_1_0_expects_10_11 ... ok
[INFO] [stdout] test float::tests::probability::_0_1_expects_1_2 ... ok
[INFO] [stdout] test float::tests::scale::_0_5_expects_5 ... ok
[INFO] [stdout] test float::tests::scale::_1_0_expects_10 ... ok
[INFO] [stdout] test float::tests::symbol::_1_expects_0_1 ... ok
[INFO] [stdout] test impls::tests::round_trip::false_expects ... ok
[INFO] [stdout] test float::tests::scale::_1_1_expects_10 ... ok
[INFO] [stdout] test impls::tests::round_trip::option_some_true_expects ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::option_some_false_expects ... ok
[INFO] [stdout] test impls::tests::round_trip::true_expects ... ok
[INFO] [stdout] test float::tests::symbol::_0_expects_0_0 ... ok
[INFO] [stdout] test float::tests::symbol::_10_expects_1_0 ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::option_some_true_expects ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::true_expects ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::_100_0_f64_floatmodel_new_5000_0_0_0_0_expects ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::false_expects ... ok
[INFO] [stdout] test float::tests::probability_y ... ok
[INFO] [stdout] test float::tests::symbol::_2_expects_0_2 ... ok
[INFO] [stdout] test float::tests::scale::_0_0_expects_0 ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::_450_0_f64_floatmodel_new_10000_0_10000_0_1_expects ... ok
[INFO] [stdout] test impls::tests::round_trip_with_config::_550_0_f64_floatmodel_new_10000_0_10000_0_1_expects ... ok
[INFO] [stdout] test impls::tests::round_trip::option_some_false_expects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minnow
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "409692420cec893b739013f90458dd261764cf98b522422bdf05384536813609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409692420cec893b739013f90458dd261764cf98b522422bdf05384536813609", kill_on_drop: false }`
[INFO] [stdout] 409692420cec893b739013f90458dd261764cf98b522422bdf05384536813609