[INFO] cloning repository https://github.com/notreallystatic/lld-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notreallystatic/lld-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2411ea44d378303c01f879dfc8d83e6784c2f35a
[INFO] testing notreallystatic/lld-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] finished tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] tweaked toml for git repo https://github.com/notreallystatic/lld-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notreallystatic/lld-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notreallystatic/lld-rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2.0.81"` (locked to 2.0.100)
[INFO] [stderr] candidate versions found which didn't match: 1.0.67, 1.0.66, 1.0.65, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_derive v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "=1.0.219"` (locked to 1.0.219) of package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lld-rust v0.1.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] testing notreallystatic/lld-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] finished tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] tweaked toml for git repo https://github.com/notreallystatic/lld-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notreallystatic/lld-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notreallystatic/lld-rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2.0.81"` (locked to 2.0.100)
[INFO] [stderr] candidate versions found which didn't match: 1.0.67, 1.0.66, 1.0.65, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_derive v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "=1.0.219"` (locked to 1.0.219) of package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lld-rust v0.1.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] testing notreallystatic/lld-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] finished tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] tweaked toml for git repo https://github.com/notreallystatic/lld-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notreallystatic/lld-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notreallystatic/lld-rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2.0.81"` (locked to 2.0.100)
[INFO] [stderr] candidate versions found which didn't match: 1.0.67, 1.0.66, 1.0.65, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_derive v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "=1.0.219"` (locked to 1.0.219) of package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lld-rust v0.1.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] testing notreallystatic/lld-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] finished tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] tweaked toml for git repo https://github.com/notreallystatic/lld-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notreallystatic/lld-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notreallystatic/lld-rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2.0.81"` (locked to 2.0.100)
[INFO] [stderr] candidate versions found which didn't match: 1.0.67, 1.0.66, 1.0.65, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_derive v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "=1.0.219"` (locked to 1.0.219) of package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lld-rust v0.1.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] testing notreallystatic/lld-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotreallystatic%2Flld-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] finished tweaking git repo https://github.com/notreallystatic/lld-rust
[INFO] tweaked toml for git repo https://github.com/notreallystatic/lld-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notreallystatic/lld-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notreallystatic/lld-rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2.0.81"` (locked to 2.0.100)
[INFO] [stderr] candidate versions found which didn't match: 1.0.67, 1.0.66, 1.0.65, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_derive v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "=1.0.219"` (locked to 1.0.219) of package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lld-rust v0.1.0 (/workspace/builds/worker-2-tc2/source)`


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for the requirement `syn = "^2.0.81"` (locked to 2.0.100)
candidate versions found which didn't match: 1.0.67, 1.0.66, 1.0.65, ...
location searched: crates.io index
required by package `serde_derive v1.0.219`
    ... which satisfies dependency `serde_derive = "=1.0.219"` (locked to 1.0.219) of package `serde v1.0.219`
    ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lld-rust v0.1.0 (/workspace/builds/worker-2-tc2/source)`