[INFO] fetching crate tao-log 1.0.0...
[INFO] testing tao-log-1.0.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate tao-log 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tao-log 1.0.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tao-log 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tao-log 1.0.0
[INFO] tweaked toml for crates.io crate tao-log 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ad072082a294bc231d0c45ad66c74629182809abe3eeb8017e3834439a1192
[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" "b2ad072082a294bc231d0c45ad66c74629182809abe3eeb8017e3834439a1192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ad072082a294bc231d0c45ad66c74629182809abe3eeb8017e3834439a1192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ad072082a294bc231d0c45ad66c74629182809abe3eeb8017e3834439a1192", kill_on_drop: false }`
[INFO] [stdout] b2ad072082a294bc231d0c45ad66c74629182809abe3eeb8017e3834439a1192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] 633a5e5f659a9baf64cab4aec8492057fd579fa108070ddf034aa111ee894a06
[INFO] running `Command { std: "docker" "start" "-a" "633a5e5f659a9baf64cab4aec8492057fd579fa108070ddf034aa111ee894a06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling tao-log v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "633a5e5f659a9baf64cab4aec8492057fd579fa108070ddf034aa111ee894a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633a5e5f659a9baf64cab4aec8492057fd579fa108070ddf034aa111ee894a06", kill_on_drop: false }`
[INFO] [stdout] 633a5e5f659a9baf64cab4aec8492057fd579fa108070ddf034aa111ee894a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd2c005771be130ee30cb19ecf030feb1c3bdc39fad9ce5e8312de704e672f50
[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" "bd2c005771be130ee30cb19ecf030feb1c3bdc39fad9ce5e8312de704e672f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tao-log v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "bd2c005771be130ee30cb19ecf030feb1c3bdc39fad9ce5e8312de704e672f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2c005771be130ee30cb19ecf030feb1c3bdc39fad9ce5e8312de704e672f50", kill_on_drop: false }`
[INFO] [stdout] bd2c005771be130ee30cb19ecf030feb1c3bdc39fad9ce5e8312de704e672f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] 31035fba5fa763ab93c432c5a8c207cc02667301eaab2cf6e50f82cc693ef862
[INFO] running `Command { std: "docker" "start" "-a" "31035fba5fa763ab93c432c5a8c207cc02667301eaab2cf6e50f82cc693ef862", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tao_log-90410313499f2a18
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fatal-4848c9ae4dc439d7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fatal_format_msg ... ok
[INFO] [stdout] test fatal_static_msg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/log_v-c2fb8aa9f0d68986
[INFO] [stdout] INFO  Start of test (test output follows)
[INFO] [stderr]    Doc-tests tao-log
[INFO] [stdout] DEBUG i → 32
[INFO] [stdout] DEBUG i + 1 → 33
[INFO] [stdout] ERROR i → 32
[INFO] [stdout] WARN  index i → 0x20
[INFO] [stdout] ERROR custom: i → 00032
[INFO] [stdout] DEBUG (j / 4, j % 4) → (4, 3)
[INFO] [stdout] DEBUG fifth (j / 5, j % 5) → (3, 4)
[INFO] [stdout] DEBUG (j,) → (19,)
[INFO] [stdout] DEBUG (j) → 19
[INFO] [stdout] INFO  &vt → "foo"
[INFO] [stdout] INFO  vt → "foo"
[INFO] [stdout] DEBUG o.take() → Some(33)
[INFO] [stdout] DEBUG o.take() → None
[INFO] [stdout] INFO  i → 3
[INFO] [stdout] WARN  (i + 1, i + 2) → (4, 5)
[INFO] [stdout] DEBUG fvoid() → ()
[INFO] [stdout] DEBUG fstr() → "returned"
[INFO] [stdout] INFO  m = 1 → ()
[INFO] [stdout] INFO  m = 2 → ()
[INFO] [stdout] INFO  4 → 4
[INFO] [stdout] INFO  trailing comma i → 4
[INFO] [stdout] INFO  i → 4
[INFO] [stdout] DEBUG  22 → 22
[INFO] [stdout] WARN  666 1 → 1
[INFO] [stdout] DEBUG prefix with "i" 4 → without
[INFO] [stdout] INFO  End of test (passed)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/macros.rs - fatal (line 21) ... ok
[INFO] [stdout] test src/macros.rs - logv (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 153) ... ok
[INFO] [stdout] test src/lib.rs - (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31035fba5fa763ab93c432c5a8c207cc02667301eaab2cf6e50f82cc693ef862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31035fba5fa763ab93c432c5a8c207cc02667301eaab2cf6e50f82cc693ef862", kill_on_drop: false }`
[INFO] [stdout] 31035fba5fa763ab93c432c5a8c207cc02667301eaab2cf6e50f82cc693ef862