[INFO] fetching crate isildur 0.2.0...
[INFO] checking isildur-0.2.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate isildur 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate isildur 0.2.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isildur 0.2.0
[INFO] finished tweaking crates.io crate isildur 0.2.0
[INFO] tweaked toml for crates.io crate isildur 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8acc83bf5cdba8cc0d3d7ac33d7764003462bd586d91b13fb5e3347be79a7b4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8acc83bf5cdba8cc0d3d7ac33d7764003462bd586d91b13fb5e3347be79a7b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8acc83bf5cdba8cc0d3d7ac33d7764003462bd586d91b13fb5e3347be79a7b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8acc83bf5cdba8cc0d3d7ac33d7764003462bd586d91b13fb5e3347be79a7b4b", kill_on_drop: false }`
[INFO] [stdout] 8acc83bf5cdba8cc0d3d7ac33d7764003462bd586d91b13fb5e3347be79a7b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e9c97f15ab7bcc6066bf740cfbd3571e83823b5c13facd9f93a0bef33682369
[INFO] running `Command { std: "docker" "start" "-a" "9e9c97f15ab7bcc6066bf740cfbd3571e83823b5c13facd9f93a0bef33682369", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling synstructure v0.12.4
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[INFO] [stderr]     Checking h2 v0.1.26
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[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking hyper-tls v0.3.2
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[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking crates-index v0.12.1
[INFO] [stderr]     Checking isildur v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, Write};
[INFO] [stdout]    |               ---- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 82 |     use std::io;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, Write};
[INFO] [stdout]    |               ---- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 82 |     use std::io;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3m 12s
[INFO] running `Command { std: "docker" "inspect" "9e9c97f15ab7bcc6066bf740cfbd3571e83823b5c13facd9f93a0bef33682369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9c97f15ab7bcc6066bf740cfbd3571e83823b5c13facd9f93a0bef33682369", kill_on_drop: false }`
[INFO] [stdout] 9e9c97f15ab7bcc6066bf740cfbd3571e83823b5c13facd9f93a0bef33682369