[INFO] fetching crate w3name 0.1.7...
[INFO] testing w3name-0.1.7 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate w3name 0.1.7 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate w3name 0.1.7
[INFO] finished tweaking crates.io crate w3name 0.1.7
[INFO] tweaked toml for crates.io crate w3name 0.1.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate w3name 0.1.7 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 325 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding cid v0.8.6 (available: v0.11.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding error-stack v0.1.1 (available: v0.6.0)
[INFO] [stderr]       Adding governor v0.4.2 (available: v0.10.1)
[INFO] [stderr]       Adding libp2p-core v0.36.0 (available: v0.43.1)
[INFO] [stderr]       Adding multihash v0.16.3 (available: v0.19.3)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (available: v1.3.1)
[INFO] [stderr]       Adding prost v0.10.4 (available: v0.14.1)
[INFO] [stderr]       Adding prost-build v0.10.4 (available: v0.14.1)
[INFO] [stderr]       Adding protobuf-src v1.1.0+21.5 (available: v2.1.1+27.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[INFO] [stderr]       Adding serde_cbor v0.10.2 (available: v0.11.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded multistream-select v0.11.0
[INFO] [stderr]   Downloaded p256 v0.11.1
[INFO] [stderr]   Downloaded cid v0.8.6
[INFO] [stderr]   Downloaded libp2p-core v0.36.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.3.0
[INFO] [stderr]   Downloaded multiaddr v0.14.0
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded asn1_der v0.7.6
[INFO] [stderr]   Downloaded error-stack v0.1.1
[INFO] [stderr]   Downloaded multihash v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 54cb98e030160a3b10d1a34bd6c1d1880d018a4b7fc5e0a3cdb0bdd150633b09
[INFO] running `Command { std: "docker" "start" "-a" "54cb98e030160a3b10d1a34bd6c1d1880d018a4b7fc5e0a3cdb0bdd150633b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54cb98e030160a3b10d1a34bd6c1d1880d018a4b7fc5e0a3cdb0bdd150633b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cb98e030160a3b10d1a34bd6c1d1880d018a4b7fc5e0a3cdb0bdd150633b09", kill_on_drop: false }`
[INFO] [stdout] 54cb98e030160a3b10d1a34bd6c1d1880d018a4b7fc5e0a3cdb0bdd150633b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6fb4036bdd86a23629175182915288f3ce7425a3225410b485ae88b2f16a872
[INFO] running `Command { std: "docker" "start" "-a" "b6fb4036bdd86a23629175182915288f3ce7425a3225410b485ae88b2f16a872", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2s_simd v1.0.3
[INFO] [stderr]    Compiling blake2b_simd v1.0.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling libsecp256k1 v0.7.2
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling const-str v0.4.3
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling error-stack v0.1.1
[INFO] [stderr]    Compiling hmac-drbg v0.3.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling asn1_der v0.7.6
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nonzero_ext v0.3.0
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&'a C` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-stack-0.1.1/src/context.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if let Some(backtrace) = self.backtrace() {
[INFO] [stdout]     |                                       ^^^^^^^^^ method not found in `&'a C`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b6fb4036bdd86a23629175182915288f3ce7425a3225410b485ae88b2f16a872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fb4036bdd86a23629175182915288f3ce7425a3225410b485ae88b2f16a872", kill_on_drop: false }`
[INFO] [stdout] b6fb4036bdd86a23629175182915288f3ce7425a3225410b485ae88b2f16a872