[INFO] cloning repository https://github.com/souvik1997/blkview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/souvik1997/blkview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fblkview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fblkview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daeabbf51f0e08e2cb4c6818f235da511d45f9c2
[INFO] testing souvik1997/blkview against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fblkview" "/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/souvik1997/blkview on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/souvik1997/blkview
[INFO] finished tweaking git repo https://github.com/souvik1997/blkview
[INFO] tweaked toml for git repo https://github.com/souvik1997/blkview written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/souvik1997/blkview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded palette v0.3.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4baf4bb7e5add6f7304135cdd8c9c5eb1bbce75bdda3f55e629d370d8c29ee0
[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" "c4baf4bb7e5add6f7304135cdd8c9c5eb1bbce75bdda3f55e629d370d8c29ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4baf4bb7e5add6f7304135cdd8c9c5eb1bbce75bdda3f55e629d370d8c29ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4baf4bb7e5add6f7304135cdd8c9c5eb1bbce75bdda3f55e629d370d8c29ee0", kill_on_drop: false }`
[INFO] [stdout] c4baf4bb7e5add6f7304135cdd8c9c5eb1bbce75bdda3f55e629d370d8c29ee0
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e0bfee9d37fed114c78316344ac8009cc6778f4fdfaa326e1fdaa9da3f667d
[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" "13e0bfee9d37fed114c78316344ac8009cc6778f4fdfaa326e1fdaa9da3f667d", kill_on_drop: false }`
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling blkview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num` is imported redundantly
[INFO] [stdout]   --> src/trace.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         use super::num;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | extern crate num;
[INFO] [stdout]    | ----------------- the item `num` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `Command { std: "docker" "inspect" "13e0bfee9d37fed114c78316344ac8009cc6778f4fdfaa326e1fdaa9da3f667d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e0bfee9d37fed114c78316344ac8009cc6778f4fdfaa326e1fdaa9da3f667d", kill_on_drop: false }`
[INFO] [stdout] 13e0bfee9d37fed114c78316344ac8009cc6778f4fdfaa326e1fdaa9da3f667d
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbc16b56c37d52e29a37b32d7fb02c973b25a41db975fd8584050ab5fcf050c
[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" "fdbc16b56c37d52e29a37b32d7fb02c973b25a41db975fd8584050ab5fcf050c", kill_on_drop: false }`
[INFO] [stderr]    Compiling blkview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/trace.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | / bitflags! {
[INFO] [stdout] 43 | |     pub struct Category: u16 {
[INFO] [stdout] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stdout] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num` is imported redundantly
[INFO] [stdout]   --> src/trace.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         use super::num;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | extern crate num;
[INFO] [stdout]    | ----------------- the item `num` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "fdbc16b56c37d52e29a37b32d7fb02c973b25a41db975fd8584050ab5fcf050c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbc16b56c37d52e29a37b32d7fb02c973b25a41db975fd8584050ab5fcf050c", kill_on_drop: false }`
[INFO] [stdout] fdbc16b56c37d52e29a37b32d7fb02c973b25a41db975fd8584050ab5fcf050c
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff61dbd8a41ae1372277b5f48a57fb4ecd02c14eeb8130169f5bf4bb13a089c1
[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" "ff61dbd8a41ae1372277b5f48a57fb4ecd02c14eeb8130169f5bf4bb13a089c1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/trace.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | / bitflags! {
[INFO] [stderr] 43 | |     pub struct Category: u16 {
[INFO] [stderr] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stderr] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stderr] ...  |
[INFO] [stderr] 62 | |     }
[INFO] [stderr] 63 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/trace.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | / bitflags! {
[INFO] [stderr] 43 | |     pub struct Category: u16 {
[INFO] [stderr] 44 | |         const READ    = 1 << 0;    /* reads */
[INFO] [stderr] 45 | |         const WRITE    = 1 << 1;    /* writes */
[INFO] [stderr] ...  |
[INFO] [stderr] 62 | |     }
[INFO] [stderr] 63 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the item `num` is imported redundantly
[INFO] [stderr]   --> src/trace.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         use super::num;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/main.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | extern crate num;
[INFO] [stderr]    | ----------------- the item `num` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `blkview` (bin "blkview" test) generated 5 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blkview-2382eac5a109fd39)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff61dbd8a41ae1372277b5f48a57fb4ecd02c14eeb8130169f5bf4bb13a089c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff61dbd8a41ae1372277b5f48a57fb4ecd02c14eeb8130169f5bf4bb13a089c1", kill_on_drop: false }`
[INFO] [stdout] ff61dbd8a41ae1372277b5f48a57fb4ecd02c14eeb8130169f5bf4bb13a089c1