[INFO] fetching crate num-width 0.1.0...
[INFO] testing num-width-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate num-width 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate num-width 0.1.0
[INFO] finished tweaking crates.io crate num-width 0.1.0
[INFO] tweaked toml for crates.io crate num-width 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate num-width 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7c2fb2f6617b022593566bf8e759f9ced96e2cf56f94f24a6b1cda7a0935b33
[INFO] running `Command { std: "docker" "start" "-a" "f7c2fb2f6617b022593566bf8e759f9ced96e2cf56f94f24a6b1cda7a0935b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7c2fb2f6617b022593566bf8e759f9ced96e2cf56f94f24a6b1cda7a0935b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c2fb2f6617b022593566bf8e759f9ced96e2cf56f94f24a6b1cda7a0935b33", kill_on_drop: false }`
[INFO] [stdout] f7c2fb2f6617b022593566bf8e759f9ced96e2cf56f94f24a6b1cda7a0935b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4f87489f9bd1aff55702546472fc586b0543f3b29d0339da29b49de2fb987e
[INFO] running `Command { std: "docker" "start" "-a" "5e4f87489f9bd1aff55702546472fc586b0543f3b29d0339da29b49de2fb987e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-width v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "5e4f87489f9bd1aff55702546472fc586b0543f3b29d0339da29b49de2fb987e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4f87489f9bd1aff55702546472fc586b0543f3b29d0339da29b49de2fb987e", kill_on_drop: false }`
[INFO] [stdout] 5e4f87489f9bd1aff55702546472fc586b0543f3b29d0339da29b49de2fb987e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe318a60cbf1b6d00a87b0e584ab437dfb87b6b468e0f345ed2175badc6485c0
[INFO] running `Command { std: "docker" "start" "-a" "fe318a60cbf1b6d00a87b0e584ab437dfb87b6b468e0f345ed2175badc6485c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-width v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "fe318a60cbf1b6d00a87b0e584ab437dfb87b6b468e0f345ed2175badc6485c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe318a60cbf1b6d00a87b0e584ab437dfb87b6b468e0f345ed2175badc6485c0", kill_on_drop: false }`
[INFO] [stdout] fe318a60cbf1b6d00a87b0e584ab437dfb87b6b468e0f345ed2175badc6485c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d44a8d44ca797db5b4ec9e369988aa99e1bcee6dcf6fcbd3eabb798e086cb7bf
[INFO] running `Command { std: "docker" "start" "-a" "d44a8d44ca797db5b4ec9e369988aa99e1bcee6dcf6fcbd3eabb798e086cb7bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/num_width-e4738b55b94407b7)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test can_determine_width_i32 ... ok
[INFO] [stdout] test can_determine_width_i64 ... ok
[INFO] [stdout] test can_determine_width_u8 ... ok
[INFO] [stdout] test can_determine_width_u64 ... ok
[INFO] [stdout] test test_digit_count ... ok
[INFO] [stdout] test can_determine_width_u32 ... ok
[INFO] [stdout] test can_determine_width_i8 ... ok
[INFO] [stdout] test can_determine_width_u16 ... ok
[INFO] [stdout] test test_signed_digit_count ... ok
[INFO] [stdout] test can_determine_width_i16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests num_width
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - NumberWidth::signed_width_base (line 28) ... ok
[INFO] [stdout] test src/lib.rs - NumberWidth::width (line 50) ... ok
[INFO] [stdout] test src/lib.rs - NumberWidth::signed_width (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d44a8d44ca797db5b4ec9e369988aa99e1bcee6dcf6fcbd3eabb798e086cb7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44a8d44ca797db5b4ec9e369988aa99e1bcee6dcf6fcbd3eabb798e086cb7bf", kill_on_drop: false }`
[INFO] [stdout] d44a8d44ca797db5b4ec9e369988aa99e1bcee6dcf6fcbd3eabb798e086cb7bf