[INFO] cloning repository https://github.com/panickystork/concordium2contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panickystork/concordium2contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanickystork%2Fconcordium2contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanickystork%2Fconcordium2contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9451fecd9356259b8a7156e913ccd4b813e8211
[INFO] testing panickystork/concordium2contract against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanickystork%2Fconcordium2contract" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  92% (163/176)
Updating files:  93% (164/176)
Updating files:  94% (166/176)
Updating files:  95% (168/176)
Updating files:  96% (169/176)
Updating files:  97% (171/176)
Updating files:  98% (173/176)
Updating files:  99% (175/176)
Updating files: 100% (176/176)
Updating files: 100% (176/176), done.
[INFO] started tweaking git repo https://github.com/panickystork/concordium2contract
[INFO] finished tweaking git repo https://github.com/panickystork/concordium2contract
[INFO] tweaked toml for git repo https://github.com/panickystork/concordium2contract written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/panickystork/concordium2contract 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 git repo https://github.com/panickystork/concordium2contract 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 22d4dc4f845aab213f370d07fe412fc688025e3da1b3b048e3bbfa155574092a
[INFO] running `Command { std: "docker" "start" "-a" "22d4dc4f845aab213f370d07fe412fc688025e3da1b3b048e3bbfa155574092a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22d4dc4f845aab213f370d07fe412fc688025e3da1b3b048e3bbfa155574092a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d4dc4f845aab213f370d07fe412fc688025e3da1b3b048e3bbfa155574092a", kill_on_drop: false }`
[INFO] [stdout] 22d4dc4f845aab213f370d07fe412fc688025e3da1b3b048e3bbfa155574092a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e778a3308ca1ffa4824404addd231e60e60fa3f3ee05a7c807f8c92cf9584b73
[INFO] running `Command { std: "docker" "start" "-a" "e778a3308ca1ffa4824404addd231e60e60fa3f3ee05a7c807f8c92cf9584b73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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] [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] running `Command { std: "docker" "inspect" "e778a3308ca1ffa4824404addd231e60e60fa3f3ee05a7c807f8c92cf9584b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e778a3308ca1ffa4824404addd231e60e60fa3f3ee05a7c807f8c92cf9584b73", kill_on_drop: false }`
[INFO] [stdout] e778a3308ca1ffa4824404addd231e60e60fa3f3ee05a7c807f8c92cf9584b73