[INFO] fetching crate tao-log 1.0.1...
[INFO] testing tao-log-1.0.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate tao-log 1.0.1 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate tao-log 1.0.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tao-log 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tao-log 1.0.1
[INFO] tweaked toml for crates.io crate tao-log 1.0.1 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc14947a3261cd1643d2a11919bda16195709bd653506154c940bb642445748
[INFO] running `Command { std: "docker" "start" "-a" "bfc14947a3261cd1643d2a11919bda16195709bd653506154c940bb642445748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc14947a3261cd1643d2a11919bda16195709bd653506154c940bb642445748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc14947a3261cd1643d2a11919bda16195709bd653506154c940bb642445748", kill_on_drop: false }`
[INFO] [stdout] bfc14947a3261cd1643d2a11919bda16195709bd653506154c940bb642445748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6610019b9381558a79b5a7959186be8b35a58af92a31f115fb156f416aa9570d
[INFO] running `Command { std: "docker" "start" "-a" "6610019b9381558a79b5a7959186be8b35a58af92a31f115fb156f416aa9570d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tao-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "6610019b9381558a79b5a7959186be8b35a58af92a31f115fb156f416aa9570d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6610019b9381558a79b5a7959186be8b35a58af92a31f115fb156f416aa9570d", kill_on_drop: false }`
[INFO] [stdout] 6610019b9381558a79b5a7959186be8b35a58af92a31f115fb156f416aa9570d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ea59d29d3a293e6f6aa8f27dd4c960c82dcceff26bd8216088098069f1323d2
[INFO] running `Command { std: "docker" "start" "-a" "9ea59d29d3a293e6f6aa8f27dd4c960c82dcceff26bd8216088098069f1323d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tao-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/log_v.rs:37:49
[INFO] [stdout]    |
[INFO] [stdout] 37 |         assert!(t == "log_v" || t == "special", t);
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 37 |         assert!(t == "log_v" || t == "special", "{}", t);
[INFO] [stdout]    |                                                 +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "9ea59d29d3a293e6f6aa8f27dd4c960c82dcceff26bd8216088098069f1323d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea59d29d3a293e6f6aa8f27dd4c960c82dcceff26bd8216088098069f1323d2", kill_on_drop: false }`
[INFO] [stdout] 9ea59d29d3a293e6f6aa8f27dd4c960c82dcceff26bd8216088098069f1323d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e7f65c3ae3ea25eef590feb93209bdc9a3f579d35eb9c1e2f3de15329217769
[INFO] running `Command { std: "docker" "start" "-a" "2e7f65c3ae3ea25eef590feb93209bdc9a3f579d35eb9c1e2f3de15329217769", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/log_v.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |         assert!(t == "log_v" || t == "special", t);
[INFO] [stderr]    |                                                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 37 |         assert!(t == "log_v" || t == "special", "{}", t);
[INFO] [stderr]    |                                                 +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tao-log` (test "log_v") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tao_log-9b642cb0825ac9ad)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fatal.rs (/opt/rustwide/target/debug/deps/fatal-e0c95dffd04ee661)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fatal_format_msg - should panic ... ok
[INFO] [stdout] test fatal_static_msg - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/log_v.rs (/opt/rustwide/target/debug/deps/log_v-eb6ed91b3f86a50c)
[INFO] [stdout] INFO  Start of test (test output follows)
[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] [stderr]    Doc-tests tao-log
[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 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/lib.rs - (line 153) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/macros.rs - macros::logv (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/macros.rs - macros::fatal (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... 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; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e7f65c3ae3ea25eef590feb93209bdc9a3f579d35eb9c1e2f3de15329217769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7f65c3ae3ea25eef590feb93209bdc9a3f579d35eb9c1e2f3de15329217769", kill_on_drop: false }`
[INFO] [stdout] 2e7f65c3ae3ea25eef590feb93209bdc9a3f579d35eb9c1e2f3de15329217769