[INFO] fetching crate historian 4.0.4...
[INFO] testing historian-4.0.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate historian 4.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate historian 4.0.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate historian 4.0.4
[INFO] finished tweaking crates.io crate historian 4.0.4
[INFO] tweaked toml for crates.io crate historian 4.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9c9149256fe449c1b4123e7694e2d54e514ead5e73931020395ccd831f068cd
[INFO] running `Command { std: "docker" "start" "-a" "a9c9149256fe449c1b4123e7694e2d54e514ead5e73931020395ccd831f068cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c9149256fe449c1b4123e7694e2d54e514ead5e73931020395ccd831f068cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c9149256fe449c1b4123e7694e2d54e514ead5e73931020395ccd831f068cd", kill_on_drop: false }`
[INFO] [stdout] a9c9149256fe449c1b4123e7694e2d54e514ead5e73931020395ccd831f068cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5ed840764f80706f5ad57ef4d76bdc4943e297f298c055d1d980b102e5a1aa
[INFO] running `Command { std: "docker" "start" "-a" "1f5ed840764f80706f5ad57ef4d76bdc4943e297f298c055d1d980b102e5a1aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling historian v4.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1f5ed840764f80706f5ad57ef4d76bdc4943e297f298c055d1d980b102e5a1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5ed840764f80706f5ad57ef4d76bdc4943e297f298c055d1d980b102e5a1aa", kill_on_drop: false }`
[INFO] [stdout] 1f5ed840764f80706f5ad57ef4d76bdc4943e297f298c055d1d980b102e5a1aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 071acf074d9072d66f7ce6ffd0d057b23c1d6ec84e17fdc10f44f875c90dca6e
[INFO] running `Command { std: "docker" "start" "-a" "071acf074d9072d66f7ce6ffd0d057b23c1d6ec84e17fdc10f44f875c90dca6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling historian v4.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "071acf074d9072d66f7ce6ffd0d057b23c1d6ec84e17fdc10f44f875c90dca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071acf074d9072d66f7ce6ffd0d057b23c1d6ec84e17fdc10f44f875c90dca6e", kill_on_drop: false }`
[INFO] [stdout] 071acf074d9072d66f7ce6ffd0d057b23c1d6ec84e17fdc10f44f875c90dca6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b36175870b362e96d69e830335fcb2b4c9a31d634e565663233a8b1bb95a360
[INFO] running `Command { std: "docker" "start" "-a" "6b36175870b362e96d69e830335fcb2b4c9a31d634e565663233a8b1bb95a360", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/historian-ba9c17519d97c036)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test high_percentiles ... ok
[INFO] [stdout] test multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests historian
[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] running `Command { std: "docker" "inspect" "6b36175870b362e96d69e830335fcb2b4c9a31d634e565663233a8b1bb95a360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b36175870b362e96d69e830335fcb2b4c9a31d634e565663233a8b1bb95a360", kill_on_drop: false }`
[INFO] [stdout] 6b36175870b362e96d69e830335fcb2b4c9a31d634e565663233a8b1bb95a360