[INFO] fetching crate gc-image 0.0.2...
[INFO] testing gc-image-0.0.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate gc-image 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gc-image 0.0.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc-image 0.0.2
[INFO] finished tweaking crates.io crate gc-image 0.0.2
[INFO] tweaked toml for crates.io crate gc-image 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8ac3699ad59d9f184c7c35c1d7da5bb859bb042e07c3f2a05ec2a0c393d83b5
[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" "a8ac3699ad59d9f184c7c35c1d7da5bb859bb042e07c3f2a05ec2a0c393d83b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8ac3699ad59d9f184c7c35c1d7da5bb859bb042e07c3f2a05ec2a0c393d83b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ac3699ad59d9f184c7c35c1d7da5bb859bb042e07c3f2a05ec2a0c393d83b5", kill_on_drop: false }`
[INFO] [stdout] a8ac3699ad59d9f184c7c35c1d7da5bb859bb042e07c3f2a05ec2a0c393d83b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] e7d9f7dd3211c2f1f035b9f838dc14da6385e444bc50b5cb4631aaa94b3c8e38
[INFO] running `Command { std: "docker" "start" "-a" "e7d9f7dd3211c2f1f035b9f838dc14da6385e444bc50b5cb4631aaa94b3c8e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling gc-image v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent_offset`
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     parent_offset: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_offset`
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     next_offset: u32
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files`
[INFO] [stdout]    --> src/lib.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "e7d9f7dd3211c2f1f035b9f838dc14da6385e444bc50b5cb4631aaa94b3c8e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d9f7dd3211c2f1f035b9f838dc14da6385e444bc50b5cb4631aaa94b3c8e38", kill_on_drop: false }`
[INFO] [stdout] e7d9f7dd3211c2f1f035b9f838dc14da6385e444bc50b5cb4631aaa94b3c8e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5365c9d98cff421c8ac27f5e62c97432227c396579f67211476853ef1e7acf59
[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" "5365c9d98cff421c8ac27f5e62c97432227c396579f67211476853ef1e7acf59", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `parent_offset`
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     parent_offset: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_offset`
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     next_offset: u32
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files`
[INFO] [stdout]    --> src/lib.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gc-image v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_offset`
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     parent_offset: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_offset`
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     next_offset: u32
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files`
[INFO] [stdout]    --> src/lib.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "5365c9d98cff421c8ac27f5e62c97432227c396579f67211476853ef1e7acf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5365c9d98cff421c8ac27f5e62c97432227c396579f67211476853ef1e7acf59", kill_on_drop: false }`
[INFO] [stdout] 5365c9d98cff421c8ac27f5e62c97432227c396579f67211476853ef1e7acf59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba70734ceff68a3ff3f7f534772cada62383082b73fbb19e04364eff23a49f5c
[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" "ba70734ceff68a3ff3f7f534772cada62383082b73fbb19e04364eff23a49f5c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `parent_offset`
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     parent_offset: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `next_offset`
[INFO] [stderr]    --> src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     next_offset: u32
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/lib.rs:271:4
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent_offset`
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     parent_offset: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `next_offset`
[INFO] [stderr]    --> src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     next_offset: u32
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/lib.rs:271:4
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc_image-0b550a4701d372a1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests gc-image
[INFO] [stdout] test tests::load_iso ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba70734ceff68a3ff3f7f534772cada62383082b73fbb19e04364eff23a49f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba70734ceff68a3ff3f7f534772cada62383082b73fbb19e04364eff23a49f5c", kill_on_drop: false }`
[INFO] [stdout] ba70734ceff68a3ff3f7f534772cada62383082b73fbb19e04364eff23a49f5c