[INFO] fetching crate tcrank 0.2.0...
[INFO] testing tcrank-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate tcrank 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tcrank 0.2.0
[INFO] finished tweaking crates.io crate tcrank 0.2.0
[INFO] tweaked toml for crates.io crate tcrank 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcrank 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 223 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.51)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.8)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding prettytable-rs v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.12.24)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1553e5b76c4bda2c304ac721c3c2180425a76799f9bc002d8ee7834759ffc6b4
[INFO] running `Command { std: "docker" "start" "-a" "1553e5b76c4bda2c304ac721c3c2180425a76799f9bc002d8ee7834759ffc6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1553e5b76c4bda2c304ac721c3c2180425a76799f9bc002d8ee7834759ffc6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1553e5b76c4bda2c304ac721c3c2180425a76799f9bc002d8ee7834759ffc6b4", kill_on_drop: false }`
[INFO] [stdout] 1553e5b76c4bda2c304ac721c3c2180425a76799f9bc002d8ee7834759ffc6b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097052c38fb92324623aa62c4e8f1112208a72c9bb608a10df73f876a1b64963
[INFO] running `Command { std: "docker" "start" "-a" "097052c38fb92324623aa62c4e8f1112208a72c9bb608a10df73f876a1b64963", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling tcrank v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.05s
[INFO] running `Command { std: "docker" "inspect" "097052c38fb92324623aa62c4e8f1112208a72c9bb608a10df73f876a1b64963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097052c38fb92324623aa62c4e8f1112208a72c9bb608a10df73f876a1b64963", kill_on_drop: false }`
[INFO] [stdout] 097052c38fb92324623aa62c4e8f1112208a72c9bb608a10df73f876a1b64963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39571fc8f9def5213e37cb153eac16b8d0860951aaf38b56b8b701bf34c6a503
[INFO] running `Command { std: "docker" "start" "-a" "39571fc8f9def5213e37cb153eac16b8d0860951aaf38b56b8b701bf34c6a503", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcrank v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "39571fc8f9def5213e37cb153eac16b8d0860951aaf38b56b8b701bf34c6a503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39571fc8f9def5213e37cb153eac16b8d0860951aaf38b56b8b701bf34c6a503", kill_on_drop: false }`
[INFO] [stdout] 39571fc8f9def5213e37cb153eac16b8d0860951aaf38b56b8b701bf34c6a503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e595b6b81eb1aa6a585676b4d34106ee846d25661258c9f72679d8e85cd67a45
[INFO] running `Command { std: "docker" "start" "-a" "e595b6b81eb1aa6a585676b4d34106ee846d25661258c9f72679d8e85cd67a45", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcrank-ab2a06d0cf2e37bd)
[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" "e595b6b81eb1aa6a585676b4d34106ee846d25661258c9f72679d8e85cd67a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e595b6b81eb1aa6a585676b4d34106ee846d25661258c9f72679d8e85cd67a45", kill_on_drop: false }`
[INFO] [stdout] e595b6b81eb1aa6a585676b4d34106ee846d25661258c9f72679d8e85cd67a45