[INFO] fetching crate samply-symbols 0.20.0...
[INFO] checking samply-symbols-0.20.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate samply-symbols 0.20.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate samply-symbols 0.20.0 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 samply-symbols 0.20.0
[INFO] finished tweaking crates.io crate samply-symbols 0.20.0
[INFO] tweaked toml for crates.io crate samply-symbols 0.20.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages
[INFO] [stderr]       Adding addr2line v0.19.0 (latest: v0.21.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding crc v1.8.1 (latest: v3.0.1)
[INFO] [stderr]       Adding fallible-iterator v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding gimli v0.27.3 (latest: v0.28.1)
[INFO] [stderr]       Adding lzma-rs v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding macho-unwind-info v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding msvc-demangler v0.9.0 (latest: v0.10.0)
[INFO] [stderr]       Adding object v0.30.4 (latest: v0.34.0)
[INFO] [stderr]       Adding pdb-addr2line v0.10.4 (latest: v0.11.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding range-collections v0.2.4 (latest: v0.4.5)
[INFO] [stderr]       Adding scroll v0.11.0 (latest: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] [stderr]       Adding yoke v0.6.2 (latest: v0.7.3)
[INFO] [stderr]       Adding yoke-derive v0.6.1 (latest: v0.7.3)
[INFO] [stderr]       Adding zerocopy v0.6.6 (latest: v0.7.32)
[INFO] [stderr]       Adding zerocopy-derive v0.6.6 (latest: v0.7.32)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded yoke v0.6.2
[INFO] [stderr]   Downloaded binary-merge v0.1.2
[INFO] [stderr]   Downloaded inplace-vec-builder v0.1.1
[INFO] [stderr]   Downloaded range-collections v0.2.4
[INFO] [stderr]   Downloaded yoke-derive v0.6.1
[INFO] [stderr]   Downloaded elsa v1.10.0
[INFO] [stderr]   Downloaded pdb-addr2line v0.10.4
[INFO] [stderr]   Downloaded srcsrv v0.2.2
[INFO] [stderr]   Downloaded cpp_demangle v0.4.3
[INFO] [stderr]   Downloaded lzma-rs v0.2.0
[INFO] [stderr]   Downloaded macho-unwind-info v0.3.0
[INFO] [stderr]   Downloaded msvc-demangler v0.9.0
[INFO] [stderr]   Downloaded debugid v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0e7d546b81807bd322c778580b4b2eab03061f756cb3a97760c6c6efeb821348
[INFO] running `Command { std: "docker" "start" "-a" "0e7d546b81807bd322c778580b4b2eab03061f756cb3a97760c6c6efeb821348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7d546b81807bd322c778580b4b2eab03061f756cb3a97760c6c6efeb821348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7d546b81807bd322c778580b4b2eab03061f756cb3a97760c6c6efeb821348", kill_on_drop: false }`
[INFO] [stdout] 0e7d546b81807bd322c778580b4b2eab03061f756cb3a97760c6c6efeb821348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 48574253809e8aff8b6909398aff162064181038521d0625f279387671861f82
[INFO] running `Command { std: "docker" "start" "-a" "48574253809e8aff8b6909398aff162064181038521d0625f279387671861f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking inplace-vec-builder v0.1.1
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking binary-merge v0.1.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]     Checking msvc-demangler v0.9.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking elsa v1.10.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking range-collections v0.2.4
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking pdb v0.8.0
[INFO] [stderr]     Checking lzma-rs v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]    Compiling yoke-derive v0.6.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking macho-unwind-info v0.3.0
[INFO] [stderr]     Checking srcsrv v0.2.2
[INFO] [stderr]     Checking pdb-addr2line v0.10.4
[INFO] [stderr]     Checking zerofrom v0.1.3
[INFO] [stderr]     Checking yoke v0.6.2
[INFO] [stderr]     Checking samply-symbols v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `gimli` is imported redundantly
[INFO] [stdout]  --> src/dwarf.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use addr2line::gimli;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ the item `gimli` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: the item `samply_symbols` is imported redundantly
[INFO] [stdout]  --> tests/integration_tests/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     self, CandidatePathInfo, CompactSymbolTable, Error, FileAndPathHelper, FileAndPathHelperResult,
[INFO] [stdout]   |     ^^^^ the item `samply_symbols` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gimli` is imported redundantly
[INFO] [stdout]  --> src/dwarf.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use addr2line::gimli;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ the item `gimli` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `Command { std: "docker" "inspect" "48574253809e8aff8b6909398aff162064181038521d0625f279387671861f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48574253809e8aff8b6909398aff162064181038521d0625f279387671861f82", kill_on_drop: false }`
[INFO] [stdout] 48574253809e8aff8b6909398aff162064181038521d0625f279387671861f82