[INFO] fetching crate rustic_hal 0.2.0...
[INFO] testing rustic_hal-0.2.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate rustic_hal 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustic_hal 0.2.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustic_hal 0.2.0
[INFO] finished tweaking crates.io crate rustic_hal 0.2.0
[INFO] tweaked toml for crates.io crate rustic_hal 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7347c9982965d8bc9f221aa51114ba9da3999e9ba9271a5b2fd55252a3a7ee0f
[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" "7347c9982965d8bc9f221aa51114ba9da3999e9ba9271a5b2fd55252a3a7ee0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7347c9982965d8bc9f221aa51114ba9da3999e9ba9271a5b2fd55252a3a7ee0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7347c9982965d8bc9f221aa51114ba9da3999e9ba9271a5b2fd55252a3a7ee0f", kill_on_drop: false }`
[INFO] [stdout] 7347c9982965d8bc9f221aa51114ba9da3999e9ba9271a5b2fd55252a3a7ee0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 00cf7ba06c7b4e082a35f549d8d390f3e23d820cfcf2dc04c8104032c7d61351
[INFO] running `Command { std: "docker" "start" "-a" "00cf7ba06c7b4e082a35f549d8d390f3e23d820cfcf2dc04c8104032c7d61351", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling rustic_hal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:219:21
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 let mut lk = OneOrMany::new();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 let mut content = entry.get_mut(); //&mut HalLinks
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:266:21
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 let mut content = entry.get_mut(); //&mut HalLinks
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 let mut content = entry.get_mut(); //&mut HalLinks
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.72s
[INFO] running `Command { std: "docker" "inspect" "00cf7ba06c7b4e082a35f549d8d390f3e23d820cfcf2dc04c8104032c7d61351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cf7ba06c7b4e082a35f549d8d390f3e23d820cfcf2dc04c8104032c7d61351", kill_on_drop: false }`
[INFO] [stdout] 00cf7ba06c7b4e082a35f549d8d390f3e23d820cfcf2dc04c8104032c7d61351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--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] efd04da2f67e4626ac975a449b1490dfeaf5a45f2ebec9acd84395ad8ada0956
[INFO] running `Command { std: "docker" "start" "-a" "efd04da2f67e4626ac975a449b1490dfeaf5a45f2ebec9acd84395ad8ada0956", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:219:21
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 let mut lk = OneOrMany::new();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 let mut content = entry.get_mut(); //&mut HalLinks
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:266:21
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 let mut content = entry.get_mut(); //&mut HalLinks
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/resource.rs:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 let mut content = entry.get_mut(); //&mut HalLinks
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling rustic_hal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::link::HalLink`
[INFO] [stdout]  --> src/tests/one_or_many.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::super::link::HalLink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::*`
[INFO] [stdout]  --> src/tests/one_or_many.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `for<'d> T: Deserialize<'d>` is not satisfied
[INFO] [stdout]   --> src/tests/one_or_many.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     oom: OneOrMany<T>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ the trait `for<'d> Deserialize<'d>` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `Deserialize<'_>` for `OneOrMany<T>`
[INFO] [stdout]    = note: required by `next_element`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Serialize, Deserialize + for<'d> Deserialize<'d>)]
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `for<'d> T: Deserialize<'d>` is not satisfied
[INFO] [stdout]   --> src/tests/one_or_many.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     oom: OneOrMany<T>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ the trait `for<'d> Deserialize<'d>` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `Deserialize<'_>` for `OneOrMany<T>`
[INFO] [stdout]    = note: required by `next_value`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Serialize, Deserialize + for<'d> Deserialize<'d>)]
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `OneOrMany<std::string::String>`
[INFO] [stdout]   --> src/tests/one_or_many.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert_eq!("test", boh.oom[0]);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `OneOrMany<std::string::String>`
[INFO] [stdout]   --> src/tests/one_or_many.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_eq!("test2", boh.oom[1]);
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0608.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustic_hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "efd04da2f67e4626ac975a449b1490dfeaf5a45f2ebec9acd84395ad8ada0956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd04da2f67e4626ac975a449b1490dfeaf5a45f2ebec9acd84395ad8ada0956", kill_on_drop: false }`
[INFO] [stdout] efd04da2f67e4626ac975a449b1490dfeaf5a45f2ebec9acd84395ad8ada0956