[INFO] fetching crate argonaut 0.12.0...
[INFO] checking argonaut-0.12.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate argonaut 0.12.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate argonaut 0.12.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argonaut 0.12.0
[INFO] finished tweaking crates.io crate argonaut 0.12.0
[INFO] tweaked toml for crates.io crate argonaut 0.12.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d715acf134c84b0e5e5552db94a96b0412608f780d1c0f81db652b25d53d929d
[INFO] running `Command { std: "docker" "start" "-a" "d715acf134c84b0e5e5552db94a96b0412608f780d1c0f81db652b25d53d929d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d715acf134c84b0e5e5552db94a96b0412608f780d1c0f81db652b25d53d929d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d715acf134c84b0e5e5552db94a96b0412608f780d1c0f81db652b25d53d929d", kill_on_drop: false }`
[INFO] [stdout] d715acf134c84b0e5e5552db94a96b0412608f780d1c0f81db652b25d53d929d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0412424fc9cd3338ce786f2ba38364aa2051a926a2331d5c2b85bc9616b827
[INFO] running `Command { std: "docker" "start" "-a" "0a0412424fc9cd3338ce786f2ba38364aa2051a926a2331d5c2b85bc9616b827", kill_on_drop: false }`
[INFO] [stderr]     Checking argonaut v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `std_unicode`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate std_unicode;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `std_unicode`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate std_unicode;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(unicode)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(unicode)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_whitespace` found for reference `&str` in the current scope
[INFO] [stdout]  --> src/help.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 |         .rev().skip_while(|&l| l == "" || l.is_whitespace()).collect();
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `split_ascii_whitespace` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 |         .rev().skip_while(|&l| l == "" || l.split_ascii_whitespace()).collect();
[INFO] [stdout]   |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_whitespace` found for reference `&str` in the current scope
[INFO] [stdout]  --> src/help.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 |         .rev().skip_while(|&l| l == "" || l.is_whitespace()).collect();
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `split_ascii_whitespace` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 |         .rev().skip_while(|&l| l == "" || l.split_ascii_whitespace()).collect();
[INFO] [stdout]   |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_whitespace` found for reference `&str` in the current scope
[INFO] [stdout]  --> src/help.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 |         .rev().skip_while(|&l| l == "" || l.is_whitespace())
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `split_ascii_whitespace` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 |         .rev().skip_while(|&l| l == "" || l.split_ascii_whitespace())
[INFO] [stdout]   |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_whitespace` found for reference `&str` in the current scope
[INFO] [stdout]  --> src/help.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 |         .rev().skip_while(|&l| l == "" || l.is_whitespace())
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `split_ascii_whitespace` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 |         .rev().skip_while(|&l| l == "" || l.split_ascii_whitespace())
[INFO] [stdout]   |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `argonaut` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `argonaut` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "0a0412424fc9cd3338ce786f2ba38364aa2051a926a2331d5c2b85bc9616b827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0412424fc9cd3338ce786f2ba38364aa2051a926a2331d5c2b85bc9616b827", kill_on_drop: false }`
[INFO] [stdout] 0a0412424fc9cd3338ce786f2ba38364aa2051a926a2331d5c2b85bc9616b827