[INFO] cloning repository https://github.com/qhlai/occupier_r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qhlai/occupier_r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqhlai%2Foccupier_r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqhlai%2Foccupier_r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aedccd781045c9c031f8e2cc0b764e3ca400930d
[INFO] testing qhlai/occupier_r against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqhlai%2Foccupier_r" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qhlai/occupier_r on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qhlai/occupier_r
[INFO] finished tweaking git repo https://github.com/qhlai/occupier_r
[INFO] tweaked toml for git repo https://github.com/qhlai/occupier_r written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/qhlai/occupier_r already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 4574b9da27441d59b089f9cc7b230b9e5d9834a3545018d2c8c006a577f2baf8
[INFO] running `Command { std: "docker" "start" "-a" "4574b9da27441d59b089f9cc7b230b9e5d9834a3545018d2c8c006a577f2baf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4574b9da27441d59b089f9cc7b230b9e5d9834a3545018d2c8c006a577f2baf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4574b9da27441d59b089f9cc7b230b9e5d9834a3545018d2c8c006a577f2baf8", kill_on_drop: false }`
[INFO] [stdout] 4574b9da27441d59b089f9cc7b230b9e5d9834a3545018d2c8c006a577f2baf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] f1928b5bf0992b8a7b0150fc5ce755f35c2f86760d97e047d836ae31248a8d74
[INFO] running `Command { std: "docker" "start" "-a" "f1928b5bf0992b8a7b0150fc5ce755f35c2f86760d97e047d836ae31248a8d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling systemstat v0.1.10
[INFO] [stderr]    Compiling occupier_r v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArgMatches`, `Arg`, `convert::TryInto`, `rand::Rng`, `value_t_or_exit`, `value_t`
[INFO] [stdout]   --> src/main.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  |         convert::TryInto,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     rand::Rng,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     clap::{load_yaml, value_t, value_t_or_exit, App, Arg, ArgMatches}
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^^^^^^^^^       ^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             for i in 0..memory_occupy.part_size as u64*1024*1024
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for i in 0..storage_occupy.part_size as u64*1024*1024
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_free` is never read
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut is_free:bool=false;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `part_num_target` is never read
[INFO] [stdout]    --> src/main.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut part_num_target:u64=0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `part_num_target` is never read
[INFO] [stdout]    --> src/main.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut part_num_target:u64=0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SysOS`
[INFO] [stdout]   --> src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct SysOS{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.09s
[INFO] running `Command { std: "docker" "inspect" "f1928b5bf0992b8a7b0150fc5ce755f35c2f86760d97e047d836ae31248a8d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1928b5bf0992b8a7b0150fc5ce755f35c2f86760d97e047d836ae31248a8d74", kill_on_drop: false }`
[INFO] [stdout] f1928b5bf0992b8a7b0150fc5ce755f35c2f86760d97e047d836ae31248a8d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a8d3826b2688342af8e718a5474be0551a9198a98ceea60508a2243b879645
[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" "16a8d3826b2688342af8e718a5474be0551a9198a98ceea60508a2243b879645", kill_on_drop: false }`
[INFO] [stderr]    Compiling occupier_r v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArgMatches`, `Arg`, `convert::TryInto`, `rand::Rng`, `value_t_or_exit`, `value_t`
[INFO] [stdout]   --> src/main.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  |         convert::TryInto,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     rand::Rng,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     clap::{load_yaml, value_t, value_t_or_exit, App, Arg, ArgMatches}
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^^^^^^^^^       ^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             for i in 0..memory_occupy.part_size as u64*1024*1024
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for i in 0..storage_occupy.part_size as u64*1024*1024
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_free` is never read
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut is_free:bool=false;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `part_num_target` is never read
[INFO] [stdout]    --> src/main.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut part_num_target:u64=0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `part_num_target` is never read
[INFO] [stdout]    --> src/main.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut part_num_target:u64=0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SysOS`
[INFO] [stdout]   --> src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct SysOS{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "16a8d3826b2688342af8e718a5474be0551a9198a98ceea60508a2243b879645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a8d3826b2688342af8e718a5474be0551a9198a98ceea60508a2243b879645", kill_on_drop: false }`
[INFO] [stdout] 16a8d3826b2688342af8e718a5474be0551a9198a98ceea60508a2243b879645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a437e3ebcf8fdda127e76f880ba27df3ff441228be4d9a816c13f3295cebd71
[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" "8a437e3ebcf8fdda127e76f880ba27df3ff441228be4d9a816c13f3295cebd71", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ArgMatches`, `Arg`, `convert::TryInto`, `rand::Rng`, `value_t_or_exit`, `value_t`
[INFO] [stderr]   --> src/main.rs:6:9
[INFO] [stderr]    |
[INFO] [stderr] 6  |         convert::TryInto,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     rand::Rng,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 14 |     clap::{load_yaml, value_t, value_t_or_exit, App, Arg, ArgMatches}
[INFO] [stderr]    |                       ^^^^^^^  ^^^^^^^^^^^^^^^       ^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |             for i in 0..memory_occupy.part_size as u64*1024*1024
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for i in 0..storage_occupy.part_size as u64*1024*1024
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_free` is never read
[INFO] [stderr]    --> src/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut is_free:bool=false;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `part_num_target` is never read
[INFO] [stderr]    --> src/main.rs:173:21
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let mut part_num_target:u64=0;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `part_num_target` is never read
[INFO] [stderr]    --> src/main.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let mut part_num_target:u64=0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SysOS`
[INFO] [stderr]   --> src/main.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct SysOS{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `occupier_r` (bin "occupier_r" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/occupier_r-2480f0814b9480e9)
[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" "8a437e3ebcf8fdda127e76f880ba27df3ff441228be4d9a816c13f3295cebd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a437e3ebcf8fdda127e76f880ba27df3ff441228be4d9a816c13f3295cebd71", kill_on_drop: false }`
[INFO] [stdout] 8a437e3ebcf8fdda127e76f880ba27df3ff441228be4d9a816c13f3295cebd71