[INFO] cloning repository https://github.com/PeterCxy/xjtlu-timetable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PeterCxy/xjtlu-timetable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterCxy%2Fxjtlu-timetable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterCxy%2Fxjtlu-timetable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8eaf1e0cedae8bd04e7074d99b80ec3732a35d4
[INFO] checking PeterCxy/xjtlu-timetable against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterCxy%2Fxjtlu-timetable" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PeterCxy/xjtlu-timetable on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PeterCxy/xjtlu-timetable
[INFO] finished tweaking git repo https://github.com/PeterCxy/xjtlu-timetable
[INFO] tweaked toml for git repo https://github.com/PeterCxy/xjtlu-timetable written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/PeterCxy/xjtlu-timetable already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] a3072b9f92ef3dbc57f87cc315e2105e2ccdda6aba54760ddcc0a71df38cb67f
[INFO] running `Command { std: "docker" "start" "-a" "a3072b9f92ef3dbc57f87cc315e2105e2ccdda6aba54760ddcc0a71df38cb67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3072b9f92ef3dbc57f87cc315e2105e2ccdda6aba54760ddcc0a71df38cb67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3072b9f92ef3dbc57f87cc315e2105e2ccdda6aba54760ddcc0a71df38cb67f", kill_on_drop: false }`
[INFO] [stdout] a3072b9f92ef3dbc57f87cc315e2105e2ccdda6aba54760ddcc0a71df38cb67f
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--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] 20d12fd1ed8ea776a5937a4326a87bafc1f08541f740056bb5739fea62ff9650
[INFO] running `Command { std: "docker" "start" "-a" "20d12fd1ed8ea776a5937a4326a87bafc1f08541f740056bb5739fea62ff9650", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling stdweb v0.4.0
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.12.13
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]     Checking xjtlu-timetable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ical.rs:96:23
[INFO] [stdout]    |
[INFO] [stdout] 96 |     elements: Vec<Box<ICalElement>>
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn ICalElement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ical.rs:96:23
[INFO] [stdout]    |
[INFO] [stdout] 96 |     elements: Vec<Box<ICalElement>>
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn ICalElement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.19s
[INFO] running `Command { std: "docker" "inspect" "20d12fd1ed8ea776a5937a4326a87bafc1f08541f740056bb5739fea62ff9650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d12fd1ed8ea776a5937a4326a87bafc1f08541f740056bb5739fea62ff9650", kill_on_drop: false }`
[INFO] [stdout] 20d12fd1ed8ea776a5937a4326a87bafc1f08541f740056bb5739fea62ff9650