[INFO] fetching crate tameta 0.2.2...
[INFO] testing tameta-0.2.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tameta 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tameta 0.2.2
[INFO] finished tweaking crates.io crate tameta 0.2.2
[INFO] tweaked toml for crates.io crate tameta 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tameta 0.2.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tameta 0.2.2 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 129e164dd0ee6be3f44d26af74a545d80ff109505a77a82b85da32e0df498d05
[INFO] running `Command { std: "docker" "start" "-a" "129e164dd0ee6be3f44d26af74a545d80ff109505a77a82b85da32e0df498d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "129e164dd0ee6be3f44d26af74a545d80ff109505a77a82b85da32e0df498d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129e164dd0ee6be3f44d26af74a545d80ff109505a77a82b85da32e0df498d05", kill_on_drop: false }`
[INFO] [stdout] 129e164dd0ee6be3f44d26af74a545d80ff109505a77a82b85da32e0df498d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88bcce3eef996d8a6874310860dfab32d6c241a6e4f3b643d73cbba5ba35010d
[INFO] running `Command { std: "docker" "start" "-a" "88bcce3eef996d8a6874310860dfab32d6c241a6e4f3b643d73cbba5ba35010d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `autocfg` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode-ident` (lib) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `toml_datetime` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `typenum` (build script) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking` (lib) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg-if` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `fastrand` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `pin-project-lite` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `crossbeam-utils` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `libc` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `version_check` (lib) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-io` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `hashbrown` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `equivalent` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "88bcce3eef996d8a6874310860dfab32d6c241a6e4f3b643d73cbba5ba35010d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bcce3eef996d8a6874310860dfab32d6c241a6e4f3b643d73cbba5ba35010d", kill_on_drop: false }`
[INFO] [stdout] 88bcce3eef996d8a6874310860dfab32d6c241a6e4f3b643d73cbba5ba35010d