[INFO] fetching crate qjsonrpc 0.5.0...
[INFO] checking qjsonrpc-0.5.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate qjsonrpc 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate qjsonrpc 0.5.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate qjsonrpc 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate qjsonrpc 0.5.0
[INFO] tweaked toml for crates.io crate qjsonrpc 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate qjsonrpc 0.5.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quinn-proto v0.9.2
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded predicates v3.0.2
[INFO] [stderr]   Downloaded assert_fs v1.0.12
[INFO] [stderr]   Downloaded quinn v0.9.3
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded yasna v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59eec239ad1a65c1d2b2ad15e020a3288a9e742f7238b24c8fcdb321969b575b
[INFO] running `Command { std: "docker" "start" "-a" "59eec239ad1a65c1d2b2ad15e020a3288a9e742f7238b24c8fcdb321969b575b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59eec239ad1a65c1d2b2ad15e020a3288a9e742f7238b24c8fcdb321969b575b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59eec239ad1a65c1d2b2ad15e020a3288a9e742f7238b24c8fcdb321969b575b", kill_on_drop: false }`
[INFO] [stdout] 59eec239ad1a65c1d2b2ad15e020a3288a9e742f7238b24c8fcdb321969b575b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e9bc187cef5f4be1611d94784d9e46aa654e1551f6ec4e4a76aaf6ee27c22f
[INFO] running `Command { std: "docker" "start" "-a" "a6e9bc187cef5f4be1611d94784d9e46aa654e1551f6ec4e4a76aaf6ee27c22f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.54/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a6e9bc187cef5f4be1611d94784d9e46aa654e1551f6ec4e4a76aaf6ee27c22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e9bc187cef5f4be1611d94784d9e46aa654e1551f6ec4e4a76aaf6ee27c22f", kill_on_drop: false }`
[INFO] [stdout] a6e9bc187cef5f4be1611d94784d9e46aa654e1551f6ec4e4a76aaf6ee27c22f
[INFO] checking qjsonrpc-0.5.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate qjsonrpc 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate qjsonrpc 0.5.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate qjsonrpc 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate qjsonrpc 0.5.0
[INFO] tweaked toml for crates.io crate qjsonrpc 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate qjsonrpc 0.5.0 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b4b3a89be53f6945414909cf2c806ed730a152dd8496a48eaae26dd042b508d
[INFO] running `Command { std: "docker" "start" "-a" "1b4b3a89be53f6945414909cf2c806ed730a152dd8496a48eaae26dd042b508d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b4b3a89be53f6945414909cf2c806ed730a152dd8496a48eaae26dd042b508d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4b3a89be53f6945414909cf2c806ed730a152dd8496a48eaae26dd042b508d", kill_on_drop: false }`
[INFO] [stdout] 1b4b3a89be53f6945414909cf2c806ed730a152dd8496a48eaae26dd042b508d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac0474bc743796ed765093193683528fc9fa4321384d4902963e0b5b7252f71
[INFO] running `Command { std: "docker" "start" "-a" "6ac0474bc743796ed765093193683528fc9fa4321384d4902963e0b5b7252f71", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "6ac0474bc743796ed765093193683528fc9fa4321384d4902963e0b5b7252f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac0474bc743796ed765093193683528fc9fa4321384d4902963e0b5b7252f71", kill_on_drop: false }`
[INFO] [stdout] 6ac0474bc743796ed765093193683528fc9fa4321384d4902963e0b5b7252f71