[INFO] fetching crate stack-graphs 0.8.0...
[INFO] checking stack-graphs-0.8.0 against master#7036449c774860a5b348dbbe01c20704c557382e for pr-98456
[INFO] extracting crate stack-graphs 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stack-graphs 0.8.0 on toolchain 7036449c774860a5b348dbbe01c20704c557382e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack-graphs 0.8.0
[INFO] finished tweaking crates.io crate stack-graphs 0.8.0
[INFO] tweaked toml for crates.io crate stack-graphs 0.8.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "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 diff v0.1.12
[INFO] [stderr]   Downloaded tree-sitter v0.20.7
[INFO] [stderr]   Downloaded lsp-positions v0.3.0
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded controlled-option-macros v0.2.2
[INFO] [stderr]   Downloaded controlled-option v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fb813e87d79682b3237bce102a87332b6c24ccde38df1f72af71ee42d755578
[INFO] running `Command { std: "docker" "start" "-a" "8fb813e87d79682b3237bce102a87332b6c24ccde38df1f72af71ee42d755578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb813e87d79682b3237bce102a87332b6c24ccde38df1f72af71ee42d755578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb813e87d79682b3237bce102a87332b6c24ccde38df1f72af71ee42d755578", kill_on_drop: false }`
[INFO] [stdout] 8fb813e87d79682b3237bce102a87332b6c24ccde38df1f72af71ee42d755578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2a64f77faacc0cab0e7a38ab9263acbc09f0a44238097e9be92b959a84f90bf
[INFO] running `Command { std: "docker" "start" "-a" "d2a64f77faacc0cab0e7a38ab9263acbc09f0a44238097e9be92b959a84f90bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling tree-sitter v0.20.7
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling controlled-option-macros v0.2.2
[INFO] [stderr]     Checking lsp-positions v0.3.0
[INFO] [stderr]     Checking controlled-option v0.4.1
[INFO] [stderr]     Checking stack-graphs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "d2a64f77faacc0cab0e7a38ab9263acbc09f0a44238097e9be92b959a84f90bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a64f77faacc0cab0e7a38ab9263acbc09f0a44238097e9be92b959a84f90bf", kill_on_drop: false }`
[INFO] [stdout] d2a64f77faacc0cab0e7a38ab9263acbc09f0a44238097e9be92b959a84f90bf