[INFO] cloning repository https://github.com/cjlucas/tracing-bug-poc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjlucas/tracing-bug-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjlucas%2Ftracing-bug-poc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjlucas%2Ftracing-bug-poc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac2285be9160a08fb66e77b4a0fd538554c19b21 [INFO] checking cjlucas/tracing-bug-poc against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjlucas%2Ftracing-bug-poc" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cjlucas/tracing-bug-poc on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cjlucas/tracing-bug-poc [INFO] finished tweaking git repo https://github.com/cjlucas/tracing-bug-poc [INFO] tweaked toml for git repo https://github.com/cjlucas/tracing-bug-poc written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/cjlucas/tracing-bug-poc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10378e04a04df09bc4c71228c1b2d3ab21eaa280f4eee5c3bf0fa5eefd092799 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "10378e04a04df09bc4c71228c1b2d3ab21eaa280f4eee5c3bf0fa5eefd092799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10378e04a04df09bc4c71228c1b2d3ab21eaa280f4eee5c3bf0fa5eefd092799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10378e04a04df09bc4c71228c1b2d3ab21eaa280f4eee5c3bf0fa5eefd092799", kill_on_drop: false }` [INFO] [stdout] 10378e04a04df09bc4c71228c1b2d3ab21eaa280f4eee5c3bf0fa5eefd092799 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 08523866d5640960d75d814ad91a985cc221934ab5de4ecd70c94005d2fe3dba [INFO] running `Command { std: "docker" "start" "-a" "08523866d5640960d75d814ad91a985cc221934ab5de4ecd70c94005d2fe3dba", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking tracing-core v0.1.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking sharded-slab v0.0.7 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking tracing-serde v0.1.0 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-subscriber v0.2.0-alpha.2 (/opt/rustwide/workdir/tracing-subscriber) [INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 for more information [INFO] [stdout] --> tracing-subscriber/src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | legacy_directory_ownership, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired [INFO] [stdout] --> tracing-subscriber/src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | plugin_as_library, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 for more information [INFO] [stdout] --> tracing-subscriber/src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | safe_extern_statics, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> tracing-subscriber/src/reload.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | error::Error::description(self).fmt(f) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> tracing-subscriber/src/filter/env/mod.rs:358:42 [INFO] [stdout] | [INFO] [stdout] 358 | ErrorKind::Parse(ref p) => p.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> tracing-subscriber/src/filter/env/mod.rs:359:40 [INFO] [stdout] | [INFO] [stdout] 359 | ErrorKind::Env(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracing-attributes v0.1.6 [INFO] [stderr] Checking tracing v0.1.11 [INFO] [stderr] Checking tracing-bug-poc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.85s [INFO] running `Command { std: "docker" "inspect" "08523866d5640960d75d814ad91a985cc221934ab5de4ecd70c94005d2fe3dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08523866d5640960d75d814ad91a985cc221934ab5de4ecd70c94005d2fe3dba", kill_on_drop: false }` [INFO] [stdout] 08523866d5640960d75d814ad91a985cc221934ab5de4ecd70c94005d2fe3dba