[INFO] fetching crate rgc 0.3.4...
[INFO] checking rgc-0.3.4 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate rgc 0.3.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rgc 0.3.4 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgc 0.3.4
[INFO] finished tweaking crates.io crate rgc 0.3.4
[INFO] tweaked toml for crates.io crate rgc 0.3.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rgc 0.3.4 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bunt v0.1.0
[INFO] [stderr]   Downloaded bunt-macros v0.1.0
[INFO] [stderr]   Downloaded simple_input v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6322773524f2953e29e09b14adb6a31465a44a892402e9a7d624b900aacd62ba
[INFO] running `Command { std: "docker" "start" "-a" "6322773524f2953e29e09b14adb6a31465a44a892402e9a7d624b900aacd62ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6322773524f2953e29e09b14adb6a31465a44a892402e9a7d624b900aacd62ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6322773524f2953e29e09b14adb6a31465a44a892402e9a7d624b900aacd62ba", kill_on_drop: false }`
[INFO] [stdout] 6322773524f2953e29e09b14adb6a31465a44a892402e9a7d624b900aacd62ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebe036104a4eb63b4687ef975a80fc9d4e3757bd0b935ecfa02f7e0b409cd398
[INFO] running `Command { std: "docker" "start" "-a" "ebe036104a4eb63b4687ef975a80fc9d4e3757bd0b935ecfa02f7e0b409cd398", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking simple_input v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling bunt-macros v0.1.0
[INFO] [stderr]     Checking bunt v0.1.0
[INFO] [stderr]     Checking rgc v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "ebe036104a4eb63b4687ef975a80fc9d4e3757bd0b935ecfa02f7e0b409cd398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe036104a4eb63b4687ef975a80fc9d4e3757bd0b935ecfa02f7e0b409cd398", kill_on_drop: false }`
[INFO] [stdout] ebe036104a4eb63b4687ef975a80fc9d4e3757bd0b935ecfa02f7e0b409cd398