[INFO] fetching crate self-meter-http 0.4.1...
[INFO] checking self-meter-http-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate self-meter-http 0.4.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate self-meter-http 0.4.1 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 crates.io crate self-meter-http 0.4.1
[INFO] finished tweaking crates.io crate self-meter-http 0.4.1
[INFO] tweaked toml for crates.io crate self-meter-http 0.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 99 packages
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (latest: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.19)
[INFO] [stderr]       Adding env_logger v0.4.3 (latest: v0.11.3)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.11)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (latest: v0.12.1)
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[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding scoped-tls v0.1.2 (latest: v1.0.1)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding sha1 v0.4.0 (latest: v0.10.6)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding tk-listen v0.1.1 (latest: v0.2.1)
[INFO] [stderr]       Adding tokio v0.1.22 (latest: v1.37.0)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[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 env_logger v0.4.3
[INFO] [stderr]   Downloaded tk-listen v0.1.1
[INFO] [stderr]   Downloaded sha1 v0.4.0
[INFO] [stderr]   Downloaded netbuf v0.4.1
[INFO] [stderr]   Downloaded tk-http v0.3.9
[INFO] [stderr]   Downloaded tk-bufstream v0.3.0
[INFO] [stderr]   Downloaded tk-easyloop v0.1.1
[INFO] [stderr]   Downloaded self-meter v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 92d22c1d70ee0685af200aebea04d8181e6a088ce93f192d60ab712d615e87e9
[INFO] running `Command { std: "docker" "start" "-a" "92d22c1d70ee0685af200aebea04d8181e6a088ce93f192d60ab712d615e87e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d22c1d70ee0685af200aebea04d8181e6a088ce93f192d60ab712d615e87e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d22c1d70ee0685af200aebea04d8181e6a088ce93f192d60ab712d615e87e9", kill_on_drop: false }`
[INFO] [stdout] 92d22c1d70ee0685af200aebea04d8181e6a088ce93f192d60ab712d615e87e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5fd84a972bb22e1067f8a94c3197d99efa765ce8c26f0621ecc28a844b7cf07e
[INFO] running `Command { std: "docker" "start" "-a" "5fd84a972bb22e1067f8a94c3197d99efa765ce8c26f0621ecc28a844b7cf07e", kill_on_drop: false }`
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking sha1 v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tk-bufstream v0.3.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tk-http v0.3.9
[INFO] [stderr]     Checking tk-listen v0.1.1
[INFO] [stderr]     Checking tk-easyloop v0.1.1
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking self-meter v0.6.0
[INFO] [stderr]     Checking self-meter-http v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `self_meter` is imported redundantly
[INFO] [stdout]  --> src/locked.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use self_meter;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate self_meter;
[INFO] [stdout]   | ------------------------ the item `self_meter` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `self_meter` is imported redundantly
[INFO] [stdout]  --> src/locked.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use self_meter;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate self_meter;
[INFO] [stdout]   | ------------------------ the item `self_meter` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/json.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate serde_json;
[INFO] [stdout]   | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/json.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate serde_json;
[INFO] [stdout]   | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "5fd84a972bb22e1067f8a94c3197d99efa765ce8c26f0621ecc28a844b7cf07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd84a972bb22e1067f8a94c3197d99efa765ce8c26f0621ecc28a844b7cf07e", kill_on_drop: false }`
[INFO] [stdout] 5fd84a972bb22e1067f8a94c3197d99efa765ce8c26f0621ecc28a844b7cf07e