[INFO] fetching crate msecret 0.1.2...
[INFO] checking msecret-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate msecret 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate msecret 0.1.2
[INFO] finished tweaking crates.io crate msecret 0.1.2
[INFO] tweaked toml for crates.io crate msecret 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msecret 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msecret 0.1.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpassword v7.2.0
[INFO] [stderr]   Downloaded rustyline-derive v0.9.0
[INFO] [stderr]   Downloaded rtoolbox v0.0.1
[INFO] [stderr]   Downloaded mnemonic v1.0.1
[INFO] [stderr]   Downloaded blake2b_simd v1.0.1
[INFO] [stderr]   Downloaded ed25519 v2.2.1
[INFO] [stderr]   Downloaded gf256-macros v0.3.0
[INFO] [stderr]   Downloaded rust-argon2 v1.0.0
[INFO] [stderr]   Downloaded evalexpr v6.6.0
[INFO] [stderr]   Downloaded ed25519-dalek v2.0.0-rc.3
[INFO] [stderr]   Downloaded rustyline v12.0.0
[INFO] [stderr]   Downloaded gf256 v0.3.0
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0-rc.3
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-rc.3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82fb8b65e29023446b33e999b593561acb11fddd7b38aa816825bc7dc13d236d
[INFO] running `Command { std: "docker" "start" "-a" "82fb8b65e29023446b33e999b593561acb11fddd7b38aa816825bc7dc13d236d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82fb8b65e29023446b33e999b593561acb11fddd7b38aa816825bc7dc13d236d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fb8b65e29023446b33e999b593561acb11fddd7b38aa816825bc7dc13d236d", kill_on_drop: false }`
[INFO] [stdout] 82fb8b65e29023446b33e999b593561acb11fddd7b38aa816825bc7dc13d236d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4996e2804cc0f79ab096e0f9020f2922f4eec4f4da6896dfa551a07e94002922
[INFO] running `Command { std: "docker" "start" "-a" "4996e2804cc0f79ab096e0f9020f2922f4eec4f4da6896dfa551a07e94002922", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling platforms v3.0.2
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling strsim v0.10.0
[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" "4996e2804cc0f79ab096e0f9020f2922f4eec4f4da6896dfa551a07e94002922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4996e2804cc0f79ab096e0f9020f2922f4eec4f4da6896dfa551a07e94002922", kill_on_drop: false }`
[INFO] [stdout] 4996e2804cc0f79ab096e0f9020f2922f4eec4f4da6896dfa551a07e94002922