[INFO] fetching crate strs_tools 0.3.0...
[INFO] checking strs_tools-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate strs_tools 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate strs_tools 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strs_tools 0.3.0
[INFO] finished tweaking crates.io crate strs_tools 0.3.0
[INFO] tweaked toml for crates.io crate strs_tools 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate strs_tools 0.3.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test_tools v0.4.0
[INFO] [stderr]   Downloaded is_slice v0.3.0
[INFO] [stderr]   Downloaded trybuild v1.0.85
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded inspect_type v0.4.0
[INFO] [stderr]   Downloaded impls_index_meta v0.2.0
[INFO] [stderr]   Downloaded former_meta v0.2.0
[INFO] [stderr]   Downloaded macro_tools v0.2.0
[INFO] [stderr]   Downloaded former v0.2.0
[INFO] [stderr]   Downloaded iter_tools v0.4.0
[INFO] [stderr]   Downloaded type_constructor v0.1.19
[INFO] [stderr]   Downloaded winterval v0.1.5
[INFO] [stderr]   Downloaded data_type v0.1.9
[INFO] [stderr]   Downloaded pretty_assertions v1.2.1
[INFO] [stderr]   Downloaded mem_tools v0.1.1
[INFO] [stderr]   Downloaded macro_tools v0.3.0
[INFO] [stderr]   Downloaded for_each v0.3.0
[INFO] [stderr]   Downloaded diagnostics_tools v0.2.0
[INFO] [stderr]   Downloaded derive_tools v0.2.0
[INFO] [stderr]   Downloaded interval_adapter v0.2.3
[INFO] [stderr]   Downloaded meta_tools v0.5.0
[INFO] [stderr]   Downloaded mod_interface_meta v0.3.0
[INFO] [stderr]   Downloaded mod_interface v0.4.0
[INFO] [stderr]   Downloaded impls_index v0.2.0
[INFO] [stderr]   Downloaded literally v0.1.3
[INFO] [stderr]   Downloaded derive_tools_meta v0.2.0
[INFO] [stderr]   Downloaded semver v1.0.19
[INFO] [stderr]   Downloaded implements v0.3.0
[INFO] [stderr]   Downloaded typing_tools v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc97f915474a5a6a14ff40e61537fbe60cfabd3ce3aaf27d4639556e683c582f
[INFO] running `Command { std: "docker" "start" "-a" "dc97f915474a5a6a14ff40e61537fbe60cfabd3ce3aaf27d4639556e683c582f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc97f915474a5a6a14ff40e61537fbe60cfabd3ce3aaf27d4639556e683c582f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc97f915474a5a6a14ff40e61537fbe60cfabd3ce3aaf27d4639556e683c582f", kill_on_drop: false }`
[INFO] [stdout] dc97f915474a5a6a14ff40e61537fbe60cfabd3ce3aaf27d4639556e683c582f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 884090a06f426742b0b47228d079e967740d9d8f184256fa64eed4babf3e56f8
[INFO] running `Command { std: "docker" "start" "-a" "884090a06f426742b0b47228d079e967740d9d8f184256fa64eed4babf3e56f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking inspect_type v0.4.0
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking is_slice v0.3.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking type_constructor v0.1.19
[INFO] [stderr]     Checking implements v0.3.0
[INFO] [stderr]     Checking literally v0.1.3
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking winterval v0.1.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking for_each v0.3.0
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking typing_tools v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking mem_tools v0.1.1
[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking diagnostics_tools v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]    Compiling test_tools v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]    Compiling iter_tools v0.4.0
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling macro_tools v0.2.0
[INFO] [stderr]    Compiling macro_tools v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derive_tools_meta v0.2.0
[INFO] [stderr]    Compiling impls_index_meta v0.2.0
[INFO] [stderr]    Compiling former_meta v0.2.0
[INFO] [stderr]     Checking impls_index v0.2.0
[INFO] [stderr]     Checking former v0.2.0
[INFO] [stderr]     Checking strs_tools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derive_tools v0.2.0
[INFO] [stderr]    Compiling mod_interface_meta v0.3.0
[INFO] [stderr]     Checking mod_interface v0.4.0
[INFO] [stderr]     Checking meta_tools v0.5.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `Command { std: "docker" "inspect" "884090a06f426742b0b47228d079e967740d9d8f184256fa64eed4babf3e56f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884090a06f426742b0b47228d079e967740d9d8f184256fa64eed4babf3e56f8", kill_on_drop: false }`
[INFO] [stdout] 884090a06f426742b0b47228d079e967740d9d8f184256fa64eed4babf3e56f8
[INFO] checking strs_tools-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate strs_tools 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate strs_tools 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strs_tools 0.3.0
[INFO] finished tweaking crates.io crate strs_tools 0.3.0
[INFO] tweaked toml for crates.io crate strs_tools 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate strs_tools 0.3.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9addc7b03dea2a3ce5c144fd9c7eca70a565964b50e9adea5a6beb9c16cfaab8
[INFO] running `Command { std: "docker" "start" "-a" "9addc7b03dea2a3ce5c144fd9c7eca70a565964b50e9adea5a6beb9c16cfaab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9addc7b03dea2a3ce5c144fd9c7eca70a565964b50e9adea5a6beb9c16cfaab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9addc7b03dea2a3ce5c144fd9c7eca70a565964b50e9adea5a6beb9c16cfaab8", kill_on_drop: false }`
[INFO] [stdout] 9addc7b03dea2a3ce5c144fd9c7eca70a565964b50e9adea5a6beb9c16cfaab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3322b9a10058f899d1ee4ebba40697754ce8c73c4f148fdaa350936b41ab1b4c
[INFO] running `Command { std: "docker" "start" "-a" "3322b9a10058f899d1ee4ebba40697754ce8c73c4f148fdaa350936b41ab1b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking winterval v0.1.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking inspect_type v0.4.0
[INFO] [stderr]     Checking is_slice v0.3.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking implements v0.3.0
[INFO] [stderr]     Checking literally v0.1.3
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking for_each v0.3.0
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking type_constructor v0.1.19
[INFO] [stderr]     Checking typing_tools v0.2.0
[INFO] [stderr]     Checking mem_tools v0.1.1
[INFO] [stderr]     Checking diagnostics_tools v0.2.0
[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]    Compiling test_tools v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]    Compiling iter_tools v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]    Compiling macro_tools v0.2.0
[INFO] [stderr]    Compiling macro_tools v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derive_tools_meta v0.2.0
[INFO] [stderr]    Compiling impls_index_meta v0.2.0
[INFO] [stderr]    Compiling former_meta v0.2.0
[INFO] [stderr]     Checking impls_index v0.2.0
[INFO] [stderr]     Checking former v0.2.0
[INFO] [stderr]     Checking strs_tools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derive_tools v0.2.0
[INFO] [stderr]    Compiling mod_interface_meta v0.3.0
[INFO] [stderr]     Checking mod_interface v0.4.0
[INFO] [stderr]     Checking meta_tools v0.5.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.82s
[INFO] running `Command { std: "docker" "inspect" "3322b9a10058f899d1ee4ebba40697754ce8c73c4f148fdaa350936b41ab1b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3322b9a10058f899d1ee4ebba40697754ce8c73c4f148fdaa350936b41ab1b4c", kill_on_drop: false }`
[INFO] [stdout] 3322b9a10058f899d1ee4ebba40697754ce8c73c4f148fdaa350936b41ab1b4c