[INFO] cloning repository https://github.com/bbqsrc/export
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbqsrc/export" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Fexport", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Fexport'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fd992c7438879e1e13a41349685dca66492577f
[INFO] checking bbqsrc/export against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Fexport" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbqsrc/export on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbqsrc/export
[INFO] finished tweaking git repo https://github.com/bbqsrc/export
[INFO] tweaked toml for git repo https://github.com/bbqsrc/export written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bbqsrc/export already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c1b2b8f746101cb6f1c5598a0b1d137cf083075e9f284f1f7993d5449837685
[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" "4c1b2b8f746101cb6f1c5598a0b1d137cf083075e9f284f1f7993d5449837685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1b2b8f746101cb6f1c5598a0b1d137cf083075e9f284f1f7993d5449837685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1b2b8f746101cb6f1c5598a0b1d137cf083075e9f284f1f7993d5449837685", kill_on_drop: false }`
[INFO] [stdout] 4c1b2b8f746101cb6f1c5598a0b1d137cf083075e9f284f1f7993d5449837685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb154f0bd0f63194f28e9b56d531e5e649f7f41f6bd8829a97157bb6ea6a9ac2
[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" "eb154f0bd0f63194f28e9b56d531e5e649f7f41f6bd8829a97157bb6ea6a9ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling export_macro v0.1.0 (/opt/rustwide/workdir/export_macro)
[INFO] [stderr]     Checking export v0.1.0 (/opt/rustwide/workdir/export)
[INFO] [stderr]     Checking export_test v0.1.0 (/opt/rustwide/workdir/export_test)
[INFO] [stdout] warning: function is never used: `lolwut`
[INFO] [stdout]  --> export_test/src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn lolwut() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lolwut3`
[INFO] [stdout]   --> export_test/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn lolwut3() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lolwut4`
[INFO] [stdout]   --> export_test/src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn lolwut4() {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> export_test/src/lib.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) struct Foo {}
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bar`
[INFO] [stdout]   --> export_test/src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn bar() {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lolwut`
[INFO] [stdout]  --> export_test/src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn lolwut() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lolwut3`
[INFO] [stdout]   --> export_test/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn lolwut3() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lolwut4`
[INFO] [stdout]   --> export_test/src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn lolwut4() {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> export_test/src/lib.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) struct Foo {}
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bar`
[INFO] [stdout]   --> export_test/src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn bar() {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.31s
[INFO] running `Command { std: "docker" "inspect" "eb154f0bd0f63194f28e9b56d531e5e649f7f41f6bd8829a97157bb6ea6a9ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb154f0bd0f63194f28e9b56d531e5e649f7f41f6bd8829a97157bb6ea6a9ac2", kill_on_drop: false }`
[INFO] [stdout] eb154f0bd0f63194f28e9b56d531e5e649f7f41f6bd8829a97157bb6ea6a9ac2