[INFO] cloning repository https://github.com/TracerBench/tracerbench-serve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TracerBench/tracerbench-serve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTracerBench%2Ftracerbench-serve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTracerBench%2Ftracerbench-serve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c628ea9ab94aab2ccadd3b26e77eb8a8be6244e
[INFO] checking TracerBench/tracerbench-serve against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTracerBench%2Ftracerbench-serve" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TracerBench/tracerbench-serve on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TracerBench/tracerbench-serve
[INFO] finished tweaking git repo https://github.com/TracerBench/tracerbench-serve
[INFO] tweaked toml for git repo https://github.com/TracerBench/tracerbench-serve written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TracerBench/tracerbench-serve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded half v1.3.1
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.2
[INFO] [stderr]   Downloaded autocfg v0.1.6
[INFO] [stderr]   Downloaded structopt v0.3.2
[INFO] [stderr]   Downloaded tokio-util v0.6.6
[INFO] [stderr]   Downloaded webpki v0.21.0
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d465b5f5a2fc784b94e0619db50bf86e30543605ae8ecdfb9d5a1016ce4601e6
[INFO] running `Command { std: "docker" "start" "-a" "d465b5f5a2fc784b94e0619db50bf86e30543605ae8ecdfb9d5a1016ce4601e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d465b5f5a2fc784b94e0619db50bf86e30543605ae8ecdfb9d5a1016ce4601e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d465b5f5a2fc784b94e0619db50bf86e30543605ae8ecdfb9d5a1016ce4601e6", kill_on_drop: false }`
[INFO] [stdout] d465b5f5a2fc784b94e0619db50bf86e30543605ae8ecdfb9d5a1016ce4601e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b00d5eda33ddc75e95a1894fee86c419f698a57c33849d4d710996236f0d4cd6
[INFO] running `Command { std: "docker" "start" "-a" "b00d5eda33ddc75e95a1894fee86c419f698a57c33849d4d710996236f0d4cd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking half v1.3.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking tracerbench-request-key v0.1.0 (/opt/rustwide/workdir/request-key)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> request-key/src/request_key/request_parts.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> request-key/src/request_key/state.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |       Some(Value::Mutated(ref text)) => (self.request_parts.set_part(part, Some(text))),
[INFO] [stdout]    |                                         ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -       Some(Value::Mutated(ref text)) => (self.request_parts.set_part(part, Some(text))),
[INFO] [stdout] 71 +       Some(Value::Mutated(ref text)) => self.request_parts.set_part(part, Some(text)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]    --> request-key/src/request_key/regex_replace.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 133 |   use super::*;
[INFO] [stdout]     |       -------- the item `Cow` is already imported here
[INFO] [stdout] 134 |   use std::borrow::Cow;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> request-key/src/request_key/request_parts.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> request-key/src/request_key/state.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |       Some(Value::Mutated(ref text)) => (self.request_parts.set_part(part, Some(text))),
[INFO] [stdout]    |                                         ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -       Some(Value::Mutated(ref text)) => (self.request_parts.set_part(part, Some(text))),
[INFO] [stdout] 71 +       Some(Value::Mutated(ref text)) => self.request_parts.set_part(part, Some(text)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracerbench-recorded-response-set v0.1.0 (/opt/rustwide/workdir/recorded-response-set)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> recorded-response-set/src/util.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> recorded-response-set/src/util.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tracerbench-socks-proxy v0.1.0 (/opt/rustwide/workdir/socks-proxy)
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking tracerbench-recorded-response-server v0.1.0 (/opt/rustwide/workdir/recorded-response-server)
[INFO] [stderr]     Checking tracerbench-serve v0.1.0 (/opt/rustwide/workdir/tracerbench-serve)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.96s
[INFO] running `Command { std: "docker" "inspect" "b00d5eda33ddc75e95a1894fee86c419f698a57c33849d4d710996236f0d4cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00d5eda33ddc75e95a1894fee86c419f698a57c33849d4d710996236f0d4cd6", kill_on_drop: false }`
[INFO] [stdout] b00d5eda33ddc75e95a1894fee86c419f698a57c33849d4d710996236f0d4cd6