[INFO] fetching crate tbg 0.1.3...
[INFO] testing tbg-0.1.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate tbg 0.1.3 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tbg 0.1.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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 v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7c18f72ff3765615c927f517b8be603497c24e06f1c796182ac611b6a16951f
[INFO] running `Command { std: "docker" "start" "-a" "e7c18f72ff3765615c927f517b8be603497c24e06f1c796182ac611b6a16951f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c18f72ff3765615c927f517b8be603497c24e06f1c796182ac611b6a16951f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c18f72ff3765615c927f517b8be603497c24e06f1c796182ac611b6a16951f", kill_on_drop: false }`
[INFO] [stdout] e7c18f72ff3765615c927f517b8be603497c24e06f1c796182ac611b6a16951f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0f91edb6741f12c4f35d4a9c4b7a0910adc1e18be90543037c43937d144cb7b
[INFO] running `Command { std: "docker" "start" "-a" "a0f91edb6741f12c4f35d4a9c4b7a0910adc1e18be90543037c43937d144cb7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.5
[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 1.49s
[INFO] running `Command { std: "docker" "inspect" "a0f91edb6741f12c4f35d4a9c4b7a0910adc1e18be90543037c43937d144cb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f91edb6741f12c4f35d4a9c4b7a0910adc1e18be90543037c43937d144cb7b", kill_on_drop: false }`
[INFO] [stdout] a0f91edb6741f12c4f35d4a9c4b7a0910adc1e18be90543037c43937d144cb7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 847694f00af1398271cd7b0ddf3a602ab36eafb2beb2f36e9bb0862186190b86
[INFO] running `Command { std: "docker" "start" "-a" "847694f00af1398271cd7b0ddf3a602ab36eafb2beb2f36e9bb0862186190b86", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "847694f00af1398271cd7b0ddf3a602ab36eafb2beb2f36e9bb0862186190b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847694f00af1398271cd7b0ddf3a602ab36eafb2beb2f36e9bb0862186190b86", kill_on_drop: false }`
[INFO] [stdout] 847694f00af1398271cd7b0ddf3a602ab36eafb2beb2f36e9bb0862186190b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab538d6fa6bdf967994d6e3875e8159c8d8c38007743f76efe3413818c5fad7c
[INFO] running `Command { std: "docker" "start" "-a" "ab538d6fa6bdf967994d6e3875e8159c8d8c38007743f76efe3413818c5fad7c", 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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tbg-cbc3dfed8f487ed9)
[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" "ab538d6fa6bdf967994d6e3875e8159c8d8c38007743f76efe3413818c5fad7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab538d6fa6bdf967994d6e3875e8159c8d8c38007743f76efe3413818c5fad7c", kill_on_drop: false }`
[INFO] [stdout] ab538d6fa6bdf967994d6e3875e8159c8d8c38007743f76efe3413818c5fad7c