[INFO] cloning repository https://github.com/adambrenecki/yorick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adambrenecki/yorick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambrenecki%2Fyorick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambrenecki%2Fyorick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8995a2d2a4a70b307f9615248f727aeaab22f445
[INFO] checking adambrenecki/yorick against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambrenecki%2Fyorick" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adambrenecki/yorick on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adambrenecki/yorick
[INFO] finished tweaking git repo https://github.com/adambrenecki/yorick
[INFO] tweaked toml for git repo https://github.com/adambrenecki/yorick written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/adambrenecki/yorick already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded maplit v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.19
[INFO] [stderr]   Downloaded walkdir v2.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.19
[INFO] [stderr]   Downloaded same-file v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a65010d018c33c085e729b9bff915df26b5ddeea256e05ed10b210b659c25b37
[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" "a65010d018c33c085e729b9bff915df26b5ddeea256e05ed10b210b659c25b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a65010d018c33c085e729b9bff915df26b5ddeea256e05ed10b210b659c25b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65010d018c33c085e729b9bff915df26b5ddeea256e05ed10b210b659c25b37", kill_on_drop: false }`
[INFO] [stdout] a65010d018c33c085e729b9bff915df26b5ddeea256e05ed10b210b659c25b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffdf252637c3659bd5cc004eeaeb92cd6e7b781a3ce6a323924f9ded9cfc669d
[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" "ffdf252637c3659bd5cc004eeaeb92cd6e7b781a3ce6a323924f9ded9cfc669d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]     Checking maplit v1.0.0
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.19
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking yorick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/output.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Result, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempdir::TempDir`
[INFO] [stdout]  --> src/output.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tempdir::TempDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/skeleton.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_dir`
[INFO] [stdout]  --> src/skeleton.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{create_dir, File};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/skeleton.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufReader, Read, Result, Write};
[INFO] [stdout]   |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempdir::TempDir`
[INFO] [stdout]  --> src/skeleton.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tempdir::TempDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.53s
[INFO] running `Command { std: "docker" "inspect" "ffdf252637c3659bd5cc004eeaeb92cd6e7b781a3ce6a323924f9ded9cfc669d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdf252637c3659bd5cc004eeaeb92cd6e7b781a3ce6a323924f9ded9cfc669d", kill_on_drop: false }`
[INFO] [stdout] ffdf252637c3659bd5cc004eeaeb92cd6e7b781a3ce6a323924f9ded9cfc669d