[INFO] fetching crate eventsource-client 0.12.0...
[INFO] checking eventsource-client-0.12.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate eventsource-client 0.12.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate eventsource-client 0.12.0 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 eventsource-client 0.12.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate eventsource-client 0.12.0
[INFO] tweaked toml for crates.io crate eventsource-client 0.12.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate eventsource-client 0.12.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.12.1
[INFO] [stderr]   Downloaded test-case v3.2.1
[INFO] [stderr]   Downloaded env_logger v0.10.1
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded test-case-core v3.2.1
[INFO] [stderr]   Downloaded rustix v0.38.24
[INFO] [stderr]   Downloaded test-case-macros v3.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b9a96a4b8f9a6e349b2568b449e60614958a02680fb8a5b0a027e573b04056c9
[INFO] running `Command { std: "docker" "start" "-a" "b9a96a4b8f9a6e349b2568b449e60614958a02680fb8a5b0a027e573b04056c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a96a4b8f9a6e349b2568b449e60614958a02680fb8a5b0a027e573b04056c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a96a4b8f9a6e349b2568b449e60614958a02680fb8a5b0a027e573b04056c9", kill_on_drop: false }`
[INFO] [stdout] b9a96a4b8f9a6e349b2568b449e60614958a02680fb8a5b0a027e573b04056c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be06e0ad44080b7e5b54de7d45e292b6c180d5e5dfc2a24ccfd1150f08f3d7ae
[INFO] running `Command { std: "docker" "start" "-a" "be06e0ad44080b7e5b54de7d45e292b6c180d5e5dfc2a24ccfd1150f08f3d7ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
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[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.29
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[INFO] [stderr]     Checking aho-corasick v1.1.2
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[INFO] [stderr]     Checking fastrand v2.0.1
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]     Checking getrandom v0.2.11
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[INFO] [stderr]    Compiling test-case-core v3.2.1
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[INFO] [stderr]    Compiling test-case-macros v3.2.1
[INFO] [stderr]     Checking futures-executor v0.3.29
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[INFO] [stderr]     Checking proptest v1.4.0
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[INFO] [stderr]     Checking tokio-rustls v0.24.1
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[INFO] [stderr]     Checking h2 v0.3.22
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[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking eventsource-client v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/event_parser.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, convert::TryFrom, str::from_utf8};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/event_parser.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, convert::TryFrom, str::from_utf8};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatusError` is never constructed
[INFO] [stdout]    --> src/client.rs:579:8
[INFO] [stdout]     |
[INFO] [stdout] 579 | struct StatusError {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatusError` is never constructed
[INFO] [stdout]    --> src/client.rs:579:8
[INFO] [stdout]     |
[INFO] [stdout] 579 | struct StatusError {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.43s
[INFO] running `Command { std: "docker" "inspect" "be06e0ad44080b7e5b54de7d45e292b6c180d5e5dfc2a24ccfd1150f08f3d7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be06e0ad44080b7e5b54de7d45e292b6c180d5e5dfc2a24ccfd1150f08f3d7ae", kill_on_drop: false }`
[INFO] [stdout] be06e0ad44080b7e5b54de7d45e292b6c180d5e5dfc2a24ccfd1150f08f3d7ae