[INFO] fetching crate merino 0.1.3...
[INFO] testing merino-0.1.3 against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate merino 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate merino 0.1.3 on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merino 0.1.3
[INFO] finished tweaking crates.io crate merino 0.1.3
[INFO] tweaked toml for crates.io crate merino 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ca8950054f9f7cc09e0562c1b94cbfdcbfd4a536950fffe629e36dc7b7a197
[INFO] running `Command { std: "docker" "start" "-a" "57ca8950054f9f7cc09e0562c1b94cbfdcbfd4a536950fffe629e36dc7b7a197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ca8950054f9f7cc09e0562c1b94cbfdcbfd4a536950fffe629e36dc7b7a197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ca8950054f9f7cc09e0562c1b94cbfdcbfd4a536950fffe629e36dc7b7a197", kill_on_drop: false }`
[INFO] [stdout] 57ca8950054f9f7cc09e0562c1b94cbfdcbfd4a536950fffe629e36dc7b7a197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c01e764440141c4280e65bef1a47cfa91bbcf806bad3b46b486b7072916f5faf
[INFO] running `Command { std: "docker" "start" "-a" "c01e764440141c4280e65bef1a47cfa91bbcf806bad3b46b486b7072916f5faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling gimli v0.27.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling object v0.30.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling snafu v0.4.4
[INFO] [stderr]    Compiling merino v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/lib.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 489 | struct SOCKSReq {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 490 |     pub version: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:396:25
[INFO] [stdout]     |
[INFO] [stdout] 396 |                         copy(&mut outbound_in, &mut inbound_out).is_ok();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:403:25
[INFO] [stdout]     |
[INFO] [stdout] 403 |                         copy(&mut inbound_in, &mut outbound_out).is_ok();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `Command { std: "docker" "inspect" "c01e764440141c4280e65bef1a47cfa91bbcf806bad3b46b486b7072916f5faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01e764440141c4280e65bef1a47cfa91bbcf806bad3b46b486b7072916f5faf", kill_on_drop: false }`
[INFO] [stdout] c01e764440141c4280e65bef1a47cfa91bbcf806bad3b46b486b7072916f5faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5e0765e00eeb6cb00871c58ecc897afc35d598cfa580d8d9cc5cf53243a1e9
[INFO] running `Command { std: "docker" "start" "-a" "be5e0765e00eeb6cb00871c58ecc897afc35d598cfa580d8d9cc5cf53243a1e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling merino v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/lib.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 489 | struct SOCKSReq {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 490 |     pub version: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:396:25
[INFO] [stdout]     |
[INFO] [stdout] 396 |                         copy(&mut outbound_in, &mut inbound_out).is_ok();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:403:25
[INFO] [stdout]     |
[INFO] [stdout] 403 |                         copy(&mut inbound_in, &mut outbound_out).is_ok();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/lib.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 489 | struct SOCKSReq {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 490 |     pub version: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:396:25
[INFO] [stdout]     |
[INFO] [stdout] 396 |                         copy(&mut outbound_in, &mut inbound_out).is_ok();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:403:25
[INFO] [stdout]     |
[INFO] [stdout] 403 |                         copy(&mut inbound_in, &mut outbound_out).is_ok();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "be5e0765e00eeb6cb00871c58ecc897afc35d598cfa580d8d9cc5cf53243a1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5e0765e00eeb6cb00871c58ecc897afc35d598cfa580d8d9cc5cf53243a1e9", kill_on_drop: false }`
[INFO] [stdout] be5e0765e00eeb6cb00871c58ecc897afc35d598cfa580d8d9cc5cf53243a1e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb5b1d0c3ea17be25a088d0a881c094301e25040cf6988f583af4062730a0f34
[INFO] running `Command { std: "docker" "start" "-a" "bb5b1d0c3ea17be25a088d0a881c094301e25040cf6988f583af4062730a0f34", kill_on_drop: false }`
[INFO] [stderr] warning: field `version` is never read
[INFO] [stderr]    --> src/lib.rs:490:9
[INFO] [stderr]     |
[INFO] [stderr] 489 | struct SOCKSReq {
[INFO] [stderr]     |        -------- field in this struct
[INFO] [stderr] 490 |     pub version: u8,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:396:25
[INFO] [stderr]     |
[INFO] [stderr] 396 |                         copy(&mut outbound_in, &mut inbound_out).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |                         copy(&mut inbound_in, &mut outbound_out).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `merino` (lib) generated 3 warnings
[INFO] [stderr] warning: `merino` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merino-a84632d13afa3838)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/merino-2194cb7caab4cd57)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests merino
[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] [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" "bb5b1d0c3ea17be25a088d0a881c094301e25040cf6988f583af4062730a0f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5b1d0c3ea17be25a088d0a881c094301e25040cf6988f583af4062730a0f34", kill_on_drop: false }`
[INFO] [stdout] bb5b1d0c3ea17be25a088d0a881c094301e25040cf6988f583af4062730a0f34