[INFO] fetching crate random-picker 0.2.3...
[INFO] testing random-picker-0.2.3 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] extracting crate random-picker 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate random-picker 0.2.3
[INFO] finished tweaking crates.io crate random-picker 0.2.3
[INFO] tweaked toml for crates.io crate random-picker 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate random-picker 0.2.3 on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate random-picker 0.2.3 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdf88616b860e9adfb15178a0923f2129ccac46cc6addd5f37dede62dc5a536b
[INFO] running `Command { std: "docker" "start" "-a" "fdf88616b860e9adfb15178a0923f2129ccac46cc6addd5f37dede62dc5a536b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf88616b860e9adfb15178a0923f2129ccac46cc6addd5f37dede62dc5a536b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf88616b860e9adfb15178a0923f2129ccac46cc6addd5f37dede62dc5a536b", kill_on_drop: false }`
[INFO] [stdout] fdf88616b860e9adfb15178a0923f2129ccac46cc6addd5f37dede62dc5a536b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99644a9a666efde74753de13598a78592c9d7eee178de54d8e4afa281c82594
[INFO] running `Command { std: "docker" "start" "-a" "f99644a9a666efde74753de13598a78592c9d7eee178de54d8e4afa281c82594", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling random-picker v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "f99644a9a666efde74753de13598a78592c9d7eee178de54d8e4afa281c82594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99644a9a666efde74753de13598a78592c9d7eee178de54d8e4afa281c82594", kill_on_drop: false }`
[INFO] [stdout] f99644a9a666efde74753de13598a78592c9d7eee178de54d8e4afa281c82594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a9a7ac79cc89617aebca7024696bec934c90351c222dc77faf4c6dd621ce584
[INFO] running `Command { std: "docker" "start" "-a" "7a9a7ac79cc89617aebca7024696bec934c90351c222dc77faf4c6dd621ce584", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-picker v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "7a9a7ac79cc89617aebca7024696bec934c90351c222dc77faf4c6dd621ce584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9a7ac79cc89617aebca7024696bec934c90351c222dc77faf4c6dd621ce584", kill_on_drop: false }`
[INFO] [stdout] 7a9a7ac79cc89617aebca7024696bec934c90351c222dc77faf4c6dd621ce584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c7602d7dfaed154d40fbd42b75eecc415618147702d67397cd84fd5f97c3b5d
[INFO] running `Command { std: "docker" "start" "-a" "3c7602d7dfaed154d40fbd42b75eecc415618147702d67397cd84fd5f97c3b5d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/random_picker-6c044fedba9bf0d2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/random_picker-6f1bb181705360b4)
[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] [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 random_picker
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test picker.rs - picker::Picker<T,R>::table_len (line 68) ... ok
[INFO] [stdout] test config.rs - config::Config<T>::check (line 43) ... ok
[INFO] [stdout] test config.rs - config::Config<T>::new (line 27) ... ok
[INFO] [stdout] test config.rs - config::Config<T>::is_fair (line 70) ... ok
[INFO] [stdout] test config.rs - config::Config<String>::append_str (line 125) ... ok
[INFO] [stdout] test lib.rs - pick (line 16) ... ok
[INFO] [stdout] test picker.rs - picker::Picker<T,R>::test_freqs (line 109) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c7602d7dfaed154d40fbd42b75eecc415618147702d67397cd84fd5f97c3b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7602d7dfaed154d40fbd42b75eecc415618147702d67397cd84fd5f97c3b5d", kill_on_drop: false }`
[INFO] [stdout] 3c7602d7dfaed154d40fbd42b75eecc415618147702d67397cd84fd5f97c3b5d