[INFO] fetching crate type1-encoding-parser 0.1.0...
[INFO] checking type1-encoding-parser-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate type1-encoding-parser 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate type1-encoding-parser 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate type1-encoding-parser 0.1.0
[INFO] finished tweaking crates.io crate type1-encoding-parser 0.1.0
[INFO] tweaked toml for crates.io crate type1-encoding-parser 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] 3f11578f52d274a65829ebd2aa10061559a092c1e3ab0c778b3edd3205dfe0b9
[INFO] running `Command { std: "docker" "start" "-a" "3f11578f52d274a65829ebd2aa10061559a092c1e3ab0c778b3edd3205dfe0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f11578f52d274a65829ebd2aa10061559a092c1e3ab0c778b3edd3205dfe0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f11578f52d274a65829ebd2aa10061559a092c1e3ab0c778b3edd3205dfe0b9", kill_on_drop: false }`
[INFO] [stdout] 3f11578f52d274a65829ebd2aa10061559a092c1e3ab0c778b3edd3205dfe0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c0dcbde1797fc8c2c0680bccdc3dc758fd07172313f70e36f93108ec439185c
[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" "4c0dcbde1797fc8c2c0680bccdc3dc758fd07172313f70e36f93108ec439185c", kill_on_drop: false }`
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/lib.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         let count = if let &Value::Integer(ref c) = &lexed[i-1] { Ok(*c) } else { Err("array expected int") }?;
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/lib.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         let count = if let &Value::Integer(ref c) = &lexed[i-1] { Ok(*c) } else { Err("array expected int") }?;
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         f.read_to_end(&mut contents);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> examples/dump.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/dump.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     f.read_to_end(&mut contents);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "4c0dcbde1797fc8c2c0680bccdc3dc758fd07172313f70e36f93108ec439185c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0dcbde1797fc8c2c0680bccdc3dc758fd07172313f70e36f93108ec439185c", kill_on_drop: false }`
[INFO] [stdout] 4c0dcbde1797fc8c2c0680bccdc3dc758fd07172313f70e36f93108ec439185c