[INFO] fetching crate tbg 0.1.3...
[INFO] testing tbg-0.1.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate tbg 0.1.3 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tbg 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a47a174285c9e6a1e42f14e1c5088d1487fd6b1788ceb26723cf052ce9091f61
[INFO] running `Command { std: "docker" "start" "-a" "a47a174285c9e6a1e42f14e1c5088d1487fd6b1788ceb26723cf052ce9091f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47a174285c9e6a1e42f14e1c5088d1487fd6b1788ceb26723cf052ce9091f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47a174285c9e6a1e42f14e1c5088d1487fd6b1788ceb26723cf052ce9091f61", kill_on_drop: false }`
[INFO] [stdout] a47a174285c9e6a1e42f14e1c5088d1487fd6b1788ceb26723cf052ce9091f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3d3ef9504f905b1e50966786442713affd6c887aa64b02790b4b2068c9f750f4
[INFO] running `Command { std: "docker" "start" "-a" "3d3ef9504f905b1e50966786442713affd6c887aa64b02790b4b2068c9f750f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "3d3ef9504f905b1e50966786442713affd6c887aa64b02790b4b2068c9f750f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3ef9504f905b1e50966786442713affd6c887aa64b02790b4b2068c9f750f4", kill_on_drop: false }`
[INFO] [stdout] 3d3ef9504f905b1e50966786442713affd6c887aa64b02790b4b2068c9f750f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ede8034b226178e2004867ef5b027d11bfc87a04dfb9c00d9aefc57c69e638c8
[INFO] running `Command { std: "docker" "start" "-a" "ede8034b226178e2004867ef5b027d11bfc87a04dfb9c00d9aefc57c69e638c8", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ede8034b226178e2004867ef5b027d11bfc87a04dfb9c00d9aefc57c69e638c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede8034b226178e2004867ef5b027d11bfc87a04dfb9c00d9aefc57c69e638c8", kill_on_drop: false }`
[INFO] [stdout] ede8034b226178e2004867ef5b027d11bfc87a04dfb9c00d9aefc57c69e638c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5351e7348bb8d64a6ec4acc10d65f18478cbfe3ee2418b83ddb4e7dd0847f40c
[INFO] running `Command { std: "docker" "start" "-a" "5351e7348bb8d64a6ec4acc10d65f18478cbfe3ee2418b83ddb4e7dd0847f40c", 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)]` 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-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" "5351e7348bb8d64a6ec4acc10d65f18478cbfe3ee2418b83ddb4e7dd0847f40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5351e7348bb8d64a6ec4acc10d65f18478cbfe3ee2418b83ddb4e7dd0847f40c", kill_on_drop: false }`
[INFO] [stdout] 5351e7348bb8d64a6ec4acc10d65f18478cbfe3ee2418b83ddb4e7dd0847f40c