[INFO] fetching crate fqn-estimator 0.2.1...
[INFO] testing fqn-estimator-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate fqn-estimator 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fqn-estimator 0.2.1
[INFO] finished tweaking crates.io crate fqn-estimator 0.2.1
[INFO] tweaked toml for crates.io crate fqn-estimator 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fqn-estimator 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 2 packages to latest compatible versions
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7d286114bce79b78c3f68c89c03b7af9a46b6ff94f42cfd41045f7d3a4a1e8da
[INFO] running `Command { std: "docker" "start" "-a" "7d286114bce79b78c3f68c89c03b7af9a46b6ff94f42cfd41045f7d3a4a1e8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d286114bce79b78c3f68c89c03b7af9a46b6ff94f42cfd41045f7d3a4a1e8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d286114bce79b78c3f68c89c03b7af9a46b6ff94f42cfd41045f7d3a4a1e8da", kill_on_drop: false }`
[INFO] [stdout] 7d286114bce79b78c3f68c89c03b7af9a46b6ff94f42cfd41045f7d3a4a1e8da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 608e2b0bc43843d628a82c20ab18e2226abde5ce7139a222bd918a38903afbf5
[INFO] running `Command { std: "docker" "start" "-a" "608e2b0bc43843d628a82c20ab18e2226abde5ce7139a222bd918a38903afbf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fqn-estimator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "608e2b0bc43843d628a82c20ab18e2226abde5ce7139a222bd918a38903afbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608e2b0bc43843d628a82c20ab18e2226abde5ce7139a222bd918a38903afbf5", kill_on_drop: false }`
[INFO] [stdout] 608e2b0bc43843d628a82c20ab18e2226abde5ce7139a222bd918a38903afbf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c1354efabfcb552a404ccfbdee1f0762257ffd93b40919284402ef03590f03a6
[INFO] running `Command { std: "docker" "start" "-a" "c1354efabfcb552a404ccfbdee1f0762257ffd93b40919284402ef03590f03a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fqn-estimator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "c1354efabfcb552a404ccfbdee1f0762257ffd93b40919284402ef03590f03a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1354efabfcb552a404ccfbdee1f0762257ffd93b40919284402ef03590f03a6", kill_on_drop: false }`
[INFO] [stdout] c1354efabfcb552a404ccfbdee1f0762257ffd93b40919284402ef03590f03a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ea4b6cde35f6f0f7b8d483079e44bd09aff56146e612694444e6f4c9a6a4f6e2
[INFO] running `Command { std: "docker" "start" "-a" "ea4b6cde35f6f0f7b8d483079e44bd09aff56146e612694444e6f4c9a6a4f6e2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fqn_estimator-4b8e2f57b73ffdf7)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test dash_iter::tests::one_ok ... ok
[INFO] [stdout] test dash_iter::tests::step_1_ok ... ok
[INFO] [stdout] test estimator::tests::empty_ok ... ok
[INFO] [stdout] test estimator::tests::one_sample_ok ... ok
[INFO] [stdout] test estimator::tests::two_samples_ok ... ok
[INFO] [stdout] test estimator::tests::window_overflow_ok ... ok
[INFO] [stdout] test pick_list::tests::matrix_3x3_ok ... ok
[INFO] [stdout] test dash_iter::tests::multiple_ok ... ok
[INFO] [stdout] test select::tests::matrix_2x2_ok ... ok
[INFO] [stdout] test select::tests::matrix_3x3_ok ... ok
[INFO] [stdout] test select::tests::matrix_4x4_ok ... ok
[INFO] [stdout] test select::tests::matrix_5x5_ok ... ok
[INFO] [stdout] test sorted_vec::tests::empty_ok ... ok
[INFO] [stdout] test sorted_vec::tests::even_ok ... ok
[INFO] [stdout] test sorted_vec::tests::odd_ok ... ok
[INFO] [stdout] test dash_iter::tests::non_multiple_ok ... ok
[INFO] [stderr]    Doc-tests fqn_estimator
[INFO] [stdout] test median::tests::odd_ok ... ok
[INFO] [stdout] test pick_list::tests::matrix_2x2_zero_ok ... ok
[INFO] [stdout] test rank::tests::matrix_2x2_ok ... ok
[INFO] [stdout] test median::tests::even_ok ... ok
[INFO] [stdout] test rank::tests::matrix_3x3_ok ... ok
[INFO] [stdout] test rank::tests::matrix_3x3_with_repetitions_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea4b6cde35f6f0f7b8d483079e44bd09aff56146e612694444e6f4c9a6a4f6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4b6cde35f6f0f7b8d483079e44bd09aff56146e612694444e6f4c9a6a4f6e2", kill_on_drop: false }`
[INFO] [stdout] ea4b6cde35f6f0f7b8d483079e44bd09aff56146e612694444e6f4c9a6a4f6e2