[INFO] updating cached repository https://github.com/pinkisemils/rust_shenanigans
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16ae5658ced9ccc30ba25c779d78e17d416ca61b
[INFO] testing pinkisemils/rust_shenanigans against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkisemils%2Frust_shenanigans" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  87% (7/8)   
Checking out files: 100% (8/8)   
Checking out files: 100% (8/8), done.
[INFO] validating manifest of git repo https://github.com/pinkisemils/rust_shenanigans on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pinkisemils/rust_shenanigans
[INFO] finished tweaking git repo https://github.com/pinkisemils/rust_shenanigans
[INFO] tweaked toml for git repo https://github.com/pinkisemils/rust_shenanigans written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/pinkisemils/rust_shenanigans already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8a04c50baae378c8b250824ebe6f145bdb1376bb7b4f664bad0147ca327b65e4
[INFO] running `Command { std: "docker" "start" "-a" "8a04c50baae378c8b250824ebe6f145bdb1376bb7b4f664bad0147ca327b65e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a04c50baae378c8b250824ebe6f145bdb1376bb7b4f664bad0147ca327b65e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a04c50baae378c8b250824ebe6f145bdb1376bb7b4f664bad0147ca327b65e4", kill_on_drop: false }`
[INFO] [stdout] 8a04c50baae378c8b250824ebe6f145bdb1376bb7b4f664bad0147ca327b65e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e861861464c07544cd1e232e2b51fe35b2377982cdc91c501d6ebcd09c5e3dc4
[INFO] running `Command { std: "docker" "start" "-a" "e861861464c07544cd1e232e2b51fe35b2377982cdc91c501d6ebcd09c5e3dc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling bitflags v0.7.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling deflate v0.7.4
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling deco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling image v0.12.3
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     tx.send(trim(sendable));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/main.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dec_t`
[INFO] [stdout]   --> src/bin/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_dec_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.32s
[INFO] running `Command { std: "docker" "inspect" "e861861464c07544cd1e232e2b51fe35b2377982cdc91c501d6ebcd09c5e3dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e861861464c07544cd1e232e2b51fe35b2377982cdc91c501d6ebcd09c5e3dc4", kill_on_drop: false }`
[INFO] [stdout] e861861464c07544cd1e232e2b51fe35b2377982cdc91c501d6ebcd09c5e3dc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99b675f13e7b181163566e69b2510d0bcf0c3629b387592c735f2e7cacfb9ba
[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" "f99b675f13e7b181163566e69b2510d0bcf0c3629b387592c735f2e7cacfb9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling deco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     tx.send(trim(sendable));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/main.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     tx.send(trim(sendable));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dec_t`
[INFO] [stdout]   --> src/bin/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_dec_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "f99b675f13e7b181163566e69b2510d0bcf0c3629b387592c735f2e7cacfb9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99b675f13e7b181163566e69b2510d0bcf0c3629b387592c735f2e7cacfb9ba", kill_on_drop: false }`
[INFO] [stdout] f99b675f13e7b181163566e69b2510d0bcf0c3629b387592c735f2e7cacfb9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7d428f2acb0153ce2d94d28f11772414bf946c4b83600417615bf9ae5413075
[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" "d7d428f2acb0153ce2d94d28f11772414bf946c4b83600417615bf9ae5413075", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     tx.send(trim(sendable));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     tx.send(trim(sendable));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/main.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dec_t`
[INFO] [stderr]   --> src/bin/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_dec_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deco-84f8f599ded2843d
[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] [stderr]      Running /opt/rustwide/target/debug/deps/main-c47c990a6a272eba
[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] [stderr]    Doc-tests deco
[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" "d7d428f2acb0153ce2d94d28f11772414bf946c4b83600417615bf9ae5413075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d428f2acb0153ce2d94d28f11772414bf946c4b83600417615bf9ae5413075", kill_on_drop: false }`
[INFO] [stdout] d7d428f2acb0153ce2d94d28f11772414bf946c4b83600417615bf9ae5413075