[INFO] fetching crate exponential-histogram 0.2.1...
[INFO] testing exponential-histogram-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate exponential-histogram 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate exponential-histogram 0.2.1
[INFO] finished tweaking crates.io crate exponential-histogram 0.2.1
[INFO] tweaked toml for crates.io crate exponential-histogram 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exponential-histogram 0.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 91 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35f7249bb468a8808adf38b68dcfff61e34b992ddd8a68c13c7f1112d091a419
[INFO] running `Command { std: "docker" "start" "-a" "35f7249bb468a8808adf38b68dcfff61e34b992ddd8a68c13c7f1112d091a419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f7249bb468a8808adf38b68dcfff61e34b992ddd8a68c13c7f1112d091a419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f7249bb468a8808adf38b68dcfff61e34b992ddd8a68c13c7f1112d091a419", kill_on_drop: false }`
[INFO] [stdout] 35f7249bb468a8808adf38b68dcfff61e34b992ddd8a68c13c7f1112d091a419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f258abb76febe85ba9e04038da2513128923d192ff06563bc82500ae016ead32
[INFO] running `Command { std: "docker" "start" "-a" "f258abb76febe85ba9e04038da2513128923d192ff06563bc82500ae016ead32", kill_on_drop: false }`
[INFO] [stderr]    Compiling exponential-histogram v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "f258abb76febe85ba9e04038da2513128923d192ff06563bc82500ae016ead32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f258abb76febe85ba9e04038da2513128923d192ff06563bc82500ae016ead32", kill_on_drop: false }`
[INFO] [stdout] f258abb76febe85ba9e04038da2513128923d192ff06563bc82500ae016ead32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2114c3a1e357ca7c79317ff7039c4f02562941caf6eb36e37e0310dc57d838b
[INFO] running `Command { std: "docker" "start" "-a" "d2114c3a1e357ca7c79317ff7039c4f02562941caf6eb36e37e0310dc57d838b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling histogram v0.11.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling exponential-histogram v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "d2114c3a1e357ca7c79317ff7039c4f02562941caf6eb36e37e0310dc57d838b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2114c3a1e357ca7c79317ff7039c4f02562941caf6eb36e37e0310dc57d838b", kill_on_drop: false }`
[INFO] [stdout] d2114c3a1e357ca7c79317ff7039c4f02562941caf6eb36e37e0310dc57d838b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efbb861a101a1fff71db22c1ac89e29176c21d1a8788b7b3b88b18a37ade83f2
[INFO] running `Command { std: "docker" "start" "-a" "efbb861a101a1fff71db22c1ac89e29176c21d1a8788b7b3b88b18a37ade83f2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exponential_histogram-1fb5d6521dca5263)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test exponential_histogram::test::check_range ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_four_positive_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_one_positive_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_three_positive_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_two_positive_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_zero_negative_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_zero_positive_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::indices_scale_downgrade_positive_numbers ... ok
[INFO] [stdout] test exponential_histogram::test::fuzz ... ok
[INFO] [stderr]    Doc-tests exponential_histogram
[INFO] [stdout] test exponential_histogram::test::fuzz_negative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[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" "efbb861a101a1fff71db22c1ac89e29176c21d1a8788b7b3b88b18a37ade83f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbb861a101a1fff71db22c1ac89e29176c21d1a8788b7b3b88b18a37ade83f2", kill_on_drop: false }`
[INFO] [stdout] efbb861a101a1fff71db22c1ac89e29176c21d1a8788b7b3b88b18a37ade83f2