[INFO] fetching crate stream-vbyte 0.4.1...
[INFO] testing stream-vbyte-0.4.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate stream-vbyte 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate stream-vbyte 0.4.1
[INFO] finished tweaking crates.io crate stream-vbyte 0.4.1
[INFO] tweaked toml for crates.io crate stream-vbyte 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stream-vbyte 0.4.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stream-vbyte 0.4.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6289749ae2897328bc218d04c85ed6f80fb312d23bd7439ec390502e7509b23
[INFO] running `Command { std: "docker" "start" "-a" "b6289749ae2897328bc218d04c85ed6f80fb312d23bd7439ec390502e7509b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6289749ae2897328bc218d04c85ed6f80fb312d23bd7439ec390502e7509b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6289749ae2897328bc218d04c85ed6f80fb312d23bd7439ec390502e7509b23", kill_on_drop: false }`
[INFO] [stdout] b6289749ae2897328bc218d04c85ed6f80fb312d23bd7439ec390502e7509b23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa9d113cf62ce9f7c66cdc0c600343c72cee6aec4234129d06cb60f6422925d7
[INFO] running `Command { std: "docker" "start" "-a" "aa9d113cf62ce9f7c66cdc0c600343c72cee6aec4234129d06cb60f6422925d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stream-vbyte v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "aa9d113cf62ce9f7c66cdc0c600343c72cee6aec4234129d06cb60f6422925d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9d113cf62ce9f7c66cdc0c600343c72cee6aec4234129d06cb60f6422925d7", kill_on_drop: false }`
[INFO] [stdout] aa9d113cf62ce9f7c66cdc0c600343c72cee6aec4234129d06cb60f6422925d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a894106f14195b915e71cb66e2b31366cc29a0e109fdef64e6153e4dba30356
[INFO] running `Command { std: "docker" "start" "-a" "7a894106f14195b915e71cb66e2b31366cc29a0e109fdef64e6153e4dba30356", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling plotters v0.3.4
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a894106f14195b915e71cb66e2b31366cc29a0e109fdef64e6153e4dba30356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a894106f14195b915e71cb66e2b31366cc29a0e109fdef64e6153e4dba30356", kill_on_drop: false }`
[INFO] [stdout] 7a894106f14195b915e71cb66e2b31366cc29a0e109fdef64e6153e4dba30356