[INFO] cloning repository https://github.com/ArnaudBrousseau/crypto-study-group
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArnaudBrousseau/crypto-study-group" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaudBrousseau%2Fcrypto-study-group", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaudBrousseau%2Fcrypto-study-group'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 033bc590d3d94b85d18c3e0dbd68163bd3e85c82
[INFO] checking ArnaudBrousseau/crypto-study-group against master#90b65889799733f21ebdf59d96411aa531c5900a for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaudBrousseau%2Fcrypto-study-group" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArnaudBrousseau/crypto-study-group
[INFO] finished tweaking git repo https://github.com/ArnaudBrousseau/crypto-study-group
[INFO] tweaked toml for git repo https://github.com/ArnaudBrousseau/crypto-study-group written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArnaudBrousseau/crypto-study-group on toolchain 90b65889799733f21ebdf59d96411aa531c5900a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArnaudBrousseau/crypto-study-group 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" "+90b65889799733f21ebdf59d96411aa531c5900a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constant_time_eq v0.2.4
[INFO] [stderr]   Downloaded keccak v0.1.3
[INFO] [stderr]   Downloaded des v0.8.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.13
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded blake3 v1.3.3
[INFO] [stderr]   Downloaded rayon v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded zeroize_derive v1.3.3
[INFO] [stderr]   Downloaded rayon-core v1.10.1
[INFO] [stderr]   Downloaded sha3 v0.10.6
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413a0b5eb8c1908be3ca5ff770d98fe01017ba051b0c4d2c37b03510f2166a2a
[INFO] running `Command { std: "docker" "start" "-a" "413a0b5eb8c1908be3ca5ff770d98fe01017ba051b0c4d2c37b03510f2166a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413a0b5eb8c1908be3ca5ff770d98fe01017ba051b0c4d2c37b03510f2166a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413a0b5eb8c1908be3ca5ff770d98fe01017ba051b0c4d2c37b03510f2166a2a", kill_on_drop: false }`
[INFO] [stdout] 413a0b5eb8c1908be3ca5ff770d98fe01017ba051b0c4d2c37b03510f2166a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a5b8a94a291e5c878cdaf2fe21f7dad589d1cdd3ac1b53f6e4eb0d73ddb311
[INFO] running `Command { std: "docker" "start" "-a" "e7a5b8a94a291e5c878cdaf2fe21f7dad589d1cdd3ac1b53f6e4eb0d73ddb311", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[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" "e7a5b8a94a291e5c878cdaf2fe21f7dad589d1cdd3ac1b53f6e4eb0d73ddb311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a5b8a94a291e5c878cdaf2fe21f7dad589d1cdd3ac1b53f6e4eb0d73ddb311", kill_on_drop: false }`
[INFO] [stdout] e7a5b8a94a291e5c878cdaf2fe21f7dad589d1cdd3ac1b53f6e4eb0d73ddb311
