[INFO] fetching crate medic-lib 0.3.0...
[INFO] checking medic-lib-0.3.0 against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] extracting crate medic-lib 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate medic-lib 0.3.0
[INFO] finished tweaking crates.io crate medic-lib 0.3.0
[INFO] tweaked toml for crates.io crate medic-lib 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate medic-lib 0.3.0 on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate medic-lib 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852
[INFO] running `Command { std: "docker" "start" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking medic-lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/check_result/mod.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Try for CheckResult {
[INFO] [stdout]    |      ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/step_result/mod.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Try for StepResult {
[INFO] [stdout]    |      ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/check_result/mod.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Try for CheckResult {
[INFO] [stdout]    |      ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/step_result/mod.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Try for StepResult {
[INFO] [stdout]    |      ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CheckResult: Branch` is not satisfied
[INFO] [stdout]    --> src/check_result/mod.rs:107:3
[INFO] [stdout]     |
[INFO] [stdout] 107 |   fn from_residual(r: ResultCodeResidual) -> Self {
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `CheckResult`
[INFO] [stdout]    --> src/check_result/mod.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout]  69 | pub enum CheckResult {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CheckResult: Branch` is not satisfied
[INFO] [stdout]    --> src/check_result/mod.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl FromResidual for CheckResult {
[INFO] [stdout]     |      ^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `CheckResult`
[INFO] [stdout]    --> src/check_result/mod.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout]  69 | pub enum CheckResult {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CheckResult: Branch` is not satisfied
[INFO] [stdout]    --> src/check_result/mod.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |   type TryType = CheckResult;
[INFO] [stdout]     |                  ^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `CheckResult`
[INFO] [stdout]    --> src/check_result/mod.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout]  69 | pub enum CheckResult {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepResult: Branch` is not satisfied
[INFO] [stdout]   --> src/step_result/mod.rs:51:3
[INFO] [stdout]    |
[INFO] [stdout] 51 |   fn from_residual(r: ResultCodeResidual) -> Self {
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `StepResult`
[INFO] [stdout]   --> src/step_result/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StepResult {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepResult: Branch` is not satisfied
[INFO] [stdout]   --> src/step_result/mod.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl FromResidual for StepResult {
[INFO] [stdout]    |      ^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `StepResult`
[INFO] [stdout]   --> src/step_result/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StepResult {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepResult: Branch` is not satisfied
[INFO] [stdout]   --> src/step_result/mod.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |   type TryType = StepResult;
[INFO] [stdout]    |                  ^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `StepResult`
[INFO] [stdout]   --> src/step_result/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StepResult {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0404.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `medic-lib` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `CheckResult: Branch` is not satisfied
[INFO] [stdout]    --> src/check_result/mod.rs:107:3
[INFO] [stdout]     |
[INFO] [stdout] 107 |   fn from_residual(r: ResultCodeResidual) -> Self {
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `CheckResult`
[INFO] [stdout]    --> src/check_result/mod.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout]  69 | pub enum CheckResult {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CheckResult: Branch` is not satisfied
[INFO] [stdout]    --> src/check_result/mod.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl FromResidual for CheckResult {
[INFO] [stdout]     |      ^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `CheckResult`
[INFO] [stdout]    --> src/check_result/mod.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout]  69 | pub enum CheckResult {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CheckResult: Branch` is not satisfied
[INFO] [stdout]    --> src/check_result/mod.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |   type TryType = CheckResult;
[INFO] [stdout]     |                  ^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `CheckResult`
[INFO] [stdout]    --> src/check_result/mod.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout]  69 | pub enum CheckResult {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepResult: Branch` is not satisfied
[INFO] [stdout]   --> src/step_result/mod.rs:51:3
[INFO] [stdout]    |
[INFO] [stdout] 51 |   fn from_residual(r: ResultCodeResidual) -> Self {
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `StepResult`
[INFO] [stdout]   --> src/step_result/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StepResult {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepResult: Branch` is not satisfied
[INFO] [stdout]   --> src/step_result/mod.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl FromResidual for StepResult {
[INFO] [stdout]    |      ^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `StepResult`
[INFO] [stdout]   --> src/step_result/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StepResult {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepResult: Branch` is not satisfied
[INFO] [stdout]   --> src/step_result/mod.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |   type TryType = StepResult;
[INFO] [stdout]    |                  ^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `StepResult`
[INFO] [stdout]   --> src/step_result/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StepResult {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0404.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `medic-lib` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852", kill_on_drop: false }`
[INFO] [stdout] db48379715aa185e211257e7f6c0fe026d515002b8934e80fc3359e001040852
