[INFO] fetching crate tbg 0.1.3...
[INFO] testing tbg-0.1.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tbg 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tbg 0.1.3
[INFO] finished tweaking crates.io crate tbg 0.1.3
[INFO] tweaked toml for crates.io crate tbg 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tbg 0.1.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 639c924a5068997be7e41b9bf3c6476f9d5181147490da9b271f93b4f05c947f
[INFO] running `Command { std: "docker" "start" "-a" "639c924a5068997be7e41b9bf3c6476f9d5181147490da9b271f93b4f05c947f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639c924a5068997be7e41b9bf3c6476f9d5181147490da9b271f93b4f05c947f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639c924a5068997be7e41b9bf3c6476f9d5181147490da9b271f93b4f05c947f", kill_on_drop: false }`
[INFO] [stdout] 639c924a5068997be7e41b9bf3c6476f9d5181147490da9b271f93b4f05c947f
[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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688f102abc7a3790d04395e8e89509eb02a04f828a0ab54efd6b1fd8dac6c038
[INFO] running `Command { std: "docker" "start" "-a" "688f102abc7a3790d04395e8e89509eb02a04f828a0ab54efd6b1fd8dac6c038", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling tbg v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `usize_unwrap` is never used
[INFO] [stdout]  --> src/usize_wrapper.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait USizeWrapper {
[INFO] [stdout]   |           ------------ method in this trait
[INFO] [stdout] 3 |     fn usize_unwrap(self) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "688f102abc7a3790d04395e8e89509eb02a04f828a0ab54efd6b1fd8dac6c038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688f102abc7a3790d04395e8e89509eb02a04f828a0ab54efd6b1fd8dac6c038", kill_on_drop: false }`
[INFO] [stdout] 688f102abc7a3790d04395e8e89509eb02a04f828a0ab54efd6b1fd8dac6c038
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3279aada9485187f1ee7bac84c537620da1fc7163e3edf860c45e75ccc2cc101
[INFO] running `Command { std: "docker" "start" "-a" "3279aada9485187f1ee7bac84c537620da1fc7163e3edf860c45e75ccc2cc101", kill_on_drop: false }`
[INFO] [stderr]    Compiling tbg v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `usize_unwrap` is never used
[INFO] [stdout]  --> src/usize_wrapper.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait USizeWrapper {
[INFO] [stdout]   |           ------------ method in this trait
[INFO] [stdout] 3 |     fn usize_unwrap(self) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `usize_unwrap` is never used
[INFO] [stdout]  --> src/usize_wrapper.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait USizeWrapper {
[INFO] [stdout]   |           ------------ method in this trait
[INFO] [stdout] 3 |     fn usize_unwrap(self) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "3279aada9485187f1ee7bac84c537620da1fc7163e3edf860c45e75ccc2cc101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3279aada9485187f1ee7bac84c537620da1fc7163e3edf860c45e75ccc2cc101", kill_on_drop: false }`
[INFO] [stdout] 3279aada9485187f1ee7bac84c537620da1fc7163e3edf860c45e75ccc2cc101
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6689dcb798fd9fb108e42a070c3c762c920013aa801f72fd2dafdca7d501c245
[INFO] running `Command { std: "docker" "start" "-a" "6689dcb798fd9fb108e42a070c3c762c920013aa801f72fd2dafdca7d501c245", kill_on_drop: false }`
[INFO] [stderr] warning: method `usize_unwrap` is never used
[INFO] [stderr]  --> src/usize_wrapper.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait USizeWrapper {
[INFO] [stderr]   |           ------------ method in this trait
[INFO] [stderr] 3 |     fn usize_unwrap(self) -> usize;
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tbg` (lib) generated 1 warning
[INFO] [stderr] warning: `tbg` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tbg-c083362725bbddcf)
[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 tbg
[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] running `Command { std: "docker" "inspect" "6689dcb798fd9fb108e42a070c3c762c920013aa801f72fd2dafdca7d501c245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6689dcb798fd9fb108e42a070c3c762c920013aa801f72fd2dafdca7d501c245", kill_on_drop: false }`
[INFO] [stdout] 6689dcb798fd9fb108e42a070c3c762c920013aa801f72fd2dafdca7d501c245