[INFO] fetching crate tracing-tree 0.1.10...
[INFO] checking tracing-tree-0.1.10 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tracing-tree 0.1.10 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate tracing-tree 0.1.10 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-tree 0.1.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-tree 0.1.10
[INFO] tweaked toml for crates.io crate tracing-tree 0.1.10 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate tracing-tree 0.1.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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 assert_cmd v1.0.8
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a8bd3e7956197384d17276a1583c4dfed572dd1179e74ac4f21c90659009a14
[INFO] running `Command { std: "docker" "start" "-a" "1a8bd3e7956197384d17276a1583c4dfed572dd1179e74ac4f21c90659009a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8bd3e7956197384d17276a1583c4dfed572dd1179e74ac4f21c90659009a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8bd3e7956197384d17276a1583c4dfed572dd1179e74ac4f21c90659009a14", kill_on_drop: false }`
[INFO] [stdout] 1a8bd3e7956197384d17276a1583c4dfed572dd1179e74ac4f21c90659009a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08130599200fb5559269caff70fe45cf2be41255e297bf8a45f13ae50dd68d23
[INFO] running `Command { std: "docker" "start" "-a" "08130599200fb5559269caff70fe45cf2be41255e297bf8a45f13ae50dd68d23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tracing-tree v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.58s
[INFO] running `Command { std: "docker" "inspect" "08130599200fb5559269caff70fe45cf2be41255e297bf8a45f13ae50dd68d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08130599200fb5559269caff70fe45cf2be41255e297bf8a45f13ae50dd68d23", kill_on_drop: false }`
[INFO] [stdout] 08130599200fb5559269caff70fe45cf2be41255e297bf8a45f13ae50dd68d23