[INFO] fetching crate rstm 0.0.7...
[INFO] checking rstm-0.0.7 against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113
[INFO] extracting crate rstm 0.0.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rstm 0.0.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rstm 0.0.7
[INFO] tweaked toml for crates.io crate rstm 0.0.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstm 0.0.7 on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rstm 0.0.7 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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `scsys-core = "^0.2.8"` (locked to 0.2.8)
[INFO] [stderr] candidate versions found which didn't match: 0.1.30, 0.1.29, 0.1.28, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `scsys v0.2.8`
[INFO] [stderr]     ... which satisfies dependency `scsys = "^0.2"` (locked to 0.2.8) of package `rstm-core v0.0.7`
[INFO] [stderr]     ... which satisfies dependency `rstm-core = "^0.0.7"` (locked to 0.0.7) of package `rstm v0.0.7 (/workspace/builds/worker-7-tc1/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for the requirement `scsys-core = "^0.2.8"` (locked to 0.2.8)
candidate versions found which didn't match: 0.1.30, 0.1.29, 0.1.28, ...
location searched: crates.io index
required by package `scsys v0.2.8`
    ... which satisfies dependency `scsys = "^0.2"` (locked to 0.2.8) of package `rstm-core v0.0.7`
    ... which satisfies dependency `rstm-core = "^0.0.7"` (locked to 0.0.7) of package `rstm v0.0.7 (/workspace/builds/worker-7-tc1/source)`