[INFO] fetching crate rsam 1.0.0...
[INFO] testing rsam-1.0.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate rsam 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rsam 1.0.0
[INFO] finished tweaking crates.io crate rsam 1.0.0
[INFO] tweaked toml for crates.io crate rsam 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsam 1.0.0 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 rsam 1.0.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.92
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.92
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded cxx-build v1.0.92
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded cxx v1.0.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1156f80cdec401a673954f07ea0d97d5c4ea406e7c807e7062d4b7a087696bae
[INFO] running `Command { std: "docker" "start" "-a" "1156f80cdec401a673954f07ea0d97d5c4ea406e7c807e7062d4b7a087696bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1156f80cdec401a673954f07ea0d97d5c4ea406e7c807e7062d4b7a087696bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1156f80cdec401a673954f07ea0d97d5c4ea406e7c807e7062d4b7a087696bae", kill_on_drop: false }`
[INFO] [stdout] 1156f80cdec401a673954f07ea0d97d5c4ea406e7c807e7062d4b7a087696bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 571fa5f060a0d100fa150f36cd7bf6d5940038bcc7e23b1499595a56d1d27369
[INFO] running `Command { std: "docker" "start" "-a" "571fa5f060a0d100fa150f36cd7bf6d5940038bcc7e23b1499595a56d1d27369", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 iana-time-zone v0.1.53
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling thread-id v4.0.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[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" "571fa5f060a0d100fa150f36cd7bf6d5940038bcc7e23b1499595a56d1d27369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571fa5f060a0d100fa150f36cd7bf6d5940038bcc7e23b1499595a56d1d27369", kill_on_drop: false }`
[INFO] [stdout] 571fa5f060a0d100fa150f36cd7bf6d5940038bcc7e23b1499595a56d1d27369