[INFO] updating cached repository https://github.com/souvik1997/blkview
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] daeabbf51f0e08e2cb4c6818f235da511d45f9c2
[INFO] checking souvik1997/blkview against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fblkview" "/workspace/builds/worker-2/source"`
[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 e6563ac70cbfd3196492061900e9e9793e065e4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ec58675622b2d3ade49d8c2de30791c721680d4093a618b2b8a7cc0ad1935be
[INFO] running `"docker" "start" "-a" "1ec58675622b2d3ade49d8c2de30791c721680d4093a618b2b8a7cc0ad1935be"`
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling num-derive v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking blkview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 a macro (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: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 a macro (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]     Finished dev [unoptimized + debuginfo] target(s) in 29.20s
[INFO] running `"docker" "inspect" "1ec58675622b2d3ade49d8c2de30791c721680d4093a618b2b8a7cc0ad1935be"`
[INFO] running `"docker" "rm" "-f" "1ec58675622b2d3ade49d8c2de30791c721680d4093a618b2b8a7cc0ad1935be"`
[INFO] [stdout] 1ec58675622b2d3ade49d8c2de30791c721680d4093a618b2b8a7cc0ad1935be